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The Self-driving Submarine market report provides a detailed analysis of global market size, regional and country-level market size, segmentation market growth, market share, competitive Landscape, sales analysis, impact of domestic and global market players, value chain optimization, trade regulations, recent developments, opportunities analysis, strategic market growth analysis, product launches, area marketplace expanding, and technological innovations.
According to our latest research, the global Self-driving Submarine size is estimated to be xx million in 2021 from USD xx million in 2020, with a change of XX% between 2020 and 2021. The global Self-driving Submarine market size is expected to grow at a CAGR of xx% for the next five years.
Market segmentation
Self-driving Submarine market is split by Type and by Application. For the period 2016-2026, the growth among segments provide accurate calculations and forecasts for sales by Type and by Application in terms of volume and value. This analysis can help you expand your business by targeting qualified niche markets.
Market segment by Type, covers
Remote Control Self-driving Submarine
Semi-submersible
Intelligent Self-driving Submarine
Market segment by Application can be divided into
Industrial
Military
Others
The key market players for global Self-driving Submarine market are listed below:
Boeing
Rolls-Royce
Triton Submarines LLC
Market segment by Region, regional analysis covers
North America (United States, Canada and Mexico)
Europe (Germany, France, United Kingdom, Russia, Italy, and Rest of Europe)
Asia-Pacific (China, Japan, Korea, India, Southeast Asia, and Australia)
South America (Brazil, Argentina, Colombia, and Rest of South America)
Middle East & Africa (Saudi Arabia, UAE, Egypt, South Africa, and Rest of Middle East & Africa)
The content of the study subjects, includes a total of 14 chapters:
Chapter 1, to describe Self-driving Submarine product scope, market overview, market opportunities, market driving force and market risks.
Chapter 2, to profile the top manufacturers of Self-driving Submarine, with price, sales, revenue and global market share of Self-driving Submarine from 2019 to 2021.
Chapter 3, the Self-driving Submarine competitive situation, sales, revenue and global market share of top manufacturers are analyzed emphatically by landscape contrast.
Chapter 4, the Self-driving Submarine breakdown data are shown at the regional level, to show the sales, revenue and growth by regions, from 2016 to 2026.
Chapter 5 and 6, to segment the sales by type and application, with sales market share and growth rate by type, application, from 2016 to 2026.
Chapter 7, 8, 9, 10 and 11, to break the sales data at the country level, with sales, revenue and market share for key countries in the world, from 2016 to 2021.and Self-driving Submarine market forecast, by regions, type and application, with sales and revenue, from 2021 to 2026.
Chapter 12, 13 and 14, to describe Self-driving Submarine sales channel, distributors, customers, research findings and conclusion, appendix and data source.
1 Market Overview
1.1 Self-driving Submarine Introduction
1.2 Market Analysis by Type
1.2.1 Overview: Global Self-driving Submarine Revenue by Type: 2019 Versus 2021 Versus 2026
1.2.2 Remote Control Self-driving Submarine
1.2.3 Semi-submersible
1.2.4 Intelligent Self-driving Submarine
1.3 Market Analysis by Application
1.3.1 Overview: Global Self-driving Submarine Revenue by Application: 2019 Versus 2021 Versus 2026
1.3.2 Industrial
1.3.3 Military
1.3.4 Others
1.4 Global Self-driving Submarine Market Size & Forecast
1.4.1 Global Self-driving Submarine Sales in Value (2016-2026))
1.4.2 Global Self-driving Submarine Sales in Volume (2016-2026)
1.4.3 Global Self-driving Submarine Price by Type (2016-2026) & (USD/Unit)
1.5 Global Self-driving Submarine Production Capacity Analysis
1.5.1 Global Self-driving Submarine Total Production Capacity (2016-2026)
1.5.2 Global Self-driving Submarine Production Capacity by Geographic Region
1.6 Market Drivers, Restraints and Trends
1.6.1 Self-driving Submarine Market Drivers
1.6.2 Self-driving Submarine Market Restraints
1.6.3 Self-driving Submarine Trends Analysis
2 Manufacturers Profiles
2.1 Boeing
2.1.1 Boeing Details
2.1.2 Boeing Major Business
2.1.3 Boeing Self-driving Submarine Product and Services
2.1.4 Boeing Self-driving Submarine Sales, Price, Revenue, Gross Margin and Market Share (2019-2021)
2.2 Rolls-Royce
2.2.1 Rolls-Royce Details
2.2.2 Rolls-Royce Major Business
2.2.3 Rolls-Royce Self-driving Submarine Product and Services
2.2.4 Rolls-Royce Self-driving Submarine Sales, Price, Revenue, Gross Margin and Market Share (2019-2021)
2.3 Triton Submarines LLC
2.3.1 Triton Submarines LLC Details
2.3.2 Triton Submarines LLC Major Business
2.3.3 Triton Submarines LLC Self-driving Submarine Product and Services
2.3.4 Triton Submarines LLC Self-driving Submarine Sales, Price, Revenue, Gross Margin and Market Share (2019-2021)
3 Self-driving Submarine Sales by Manufacturer
3.1 Global Self-driving Submarine Sales in Volume by Manufacturer (2019-2021e)
3.2 Global Self-driving Submarine Revenue by Manufacturer (2019-2021e)
3.3 Key Manufacturer Market Position in Self-driving Submarine
3.4 Market Concentration Rate
3.4.1 Top 3 Self-driving Submarine Manufacturer Market Share
3.4.2 Top 6 Self-driving Submarine Manufacturer Market Share
3.5 Global Self-driving Submarine Production Capacity by Company
3.6 Manufacturer by Geography: Head Office and Self-driving Submarine Production Site
3.7 New Entrant and Capacity Expansion Plans
3.8 Mergers & Acquisitions
4 Market Analysis by Region
4.1 Global Self-driving Submarine Market Size by Region
4.1.1 Global Self-driving Submarine Sales in Volume by Region (2016-2026)
4.1.2 Global Self-driving Submarine Revenue by Region (2016-2026)
4.2 North America Self-driving Submarine Revenue (2016-2026)
4.3 Europe Self-driving Submarine Revenue (2016-2026)
4.4 Asia-Pacific Self-driving Submarine Revenue (2016-2026)
4.5 South America Self-driving Submarine Revenue (2016-2026)
4.6 Middle East and Africa Self-driving Submarine Revenue (2016-2026)
5 Market Segment by Type
5.1 Global Self-driving Submarine Sales in Volume by Type (2016-2026)
5.2 Global Self-driving Submarine Revenue by Type (2016-2026)
5.3 Global Self-driving Submarine Price by Type (2016-2026)
6 Market Segment by Application
6.1 Global Self-driving Submarine Sales in Volume by Application (2016-2026)
6.2 Global Self-driving Submarine Revenue by Application (2016-2026)
6.3 Global Self-driving Submarine Price by Application (2016-2026)
7 North America by Country, by Type, and by Application
7.1 North America Self-driving Submarine Sales by Type (2016-2026)
7.2 North America Self-driving Submarine Sales by Application (2016-2026)
7.3 North America Self-driving Submarine Market Size by Country
7.3.1 North America Self-driving Submarine Sales in Volume by Country (2016-2026)
7.3.2 North America Self-driving Submarine Revenue by Country (2016-2026)
7.3.3 United States Market Size and Forecast (2016-2026)
7.3.4 Canada Market Size and Forecast (2016-2026)
7.3.5 Mexico Market Size and Forecast (2016-2026)
8 Europe by Country, by Type, and by Application
8.1 Europe Self-driving Submarine Sales by Type (2016-2026)
8.2 Europe Self-driving Submarine Sales by Application (2016-2026)
8.3 Europe Self-driving Submarine Market Size by Country
8.3.1 Europe Self-driving Submarine Sales in Volume by Country (2016-2026)
8.3.2 Europe Self-driving Submarine Revenue by Country (2016-2026)
8.3.3 Germany Market Size and Forecast (2016-2026)
8.3.4 France Market Size and Forecast (2016-2026)
8.3.5 United Kingdom Market Size and Forecast (2016-2026)
8.3.6 Russia Market Size and Forecast (2016-2026)
8.3.7 Italy Market Size and Forecast (2016-2026)
9 Asia-Pacific by Country, by Type, and by Application
9.1 Asia-Pacific Self-driving Submarine Sales by Type (2016-2026)
9.2 Asia-Pacific Self-driving Submarine Sales by Application (2016-2026)
9.3 Asia-Pacific Self-driving Submarine Market Size by Region
9.3.1 Asia-Pacific Self-driving Submarine Sales in Volume by Region (2016-2026)
9.3.2 Asia-Pacific Self-driving Submarine Revenue by Region (2016-2026)
9.3.3 China Market Size and Forecast (2016-2026)
9.3.4 Japan Market Size and Forecast (2016-2026)
9.3.5 Korea Market Size and Forecast (2016-2026)
9.3.6 India Market Size and Forecast (2016-2026)
9.3.7 Southeast Asia Market Size and Forecast (2016-2026)
9.3.8 Australia Market Size and Forecast (2016-2026)
10 South America by Country, by Type, and by Application
10.1 South America Self-driving Submarine Sales by Type (2016-2026)
10.2 South America Self-driving Submarine Sales by Application (2016-2026)
10.3 South America Self-driving Submarine Market Size by Country
10.3.1 South America Self-driving Submarine Sales in Volume by Country (2016-2026)
10.3.2 South America Self-driving Submarine Revenue by Country (2016-2026)
10.3.3 Brazil Market Size and Forecast (2016-2026)
10.3.4 Argentina Market Size and Forecast (2016-2026)
11 Middle East & Africa by Country, by Type, and by Application
11.1 Middle East & Africa Self-driving Submarine Sales by Type (2016-2026)
11.2 Middle East & Africa Self-driving Submarine Sales by Application (2016-2026)
11.3 Middle East & Africa Self-driving Submarine Market Size by Country
11.3.1 Middle East & Africa Self-driving Submarine Sales in Volume by Country (2016-2026)
11.3.2 Middle East & Africa Self-driving Submarine Revenue by Country (2016-2026)
11.3.3 Turkey Market Size and Forecast (2016-2026)
11.3.4 Egypt Market Size and Forecast (2016-2026)
11.3.5 Saudi Arabia Market Size and Forecast (2016-2026)
11.3.6 South Africa Market Size and Forecast (2016-2026)
12 Sales Channel, Distributors, Traders and Dealers
12.1 Sales Channel
12.1.1 Direct Marketing
12.1.2 Indirect Marketing
12.2 Self-driving Submarine Typical Distributors
12.3 Self-driving Submarine Typical Customers
13 Research Findings and Conclusion
14 Appendix
14.1 Methodology
14.2 Research Process and Data Source
14.3 Disclaimer
List of Tables
Table 1. Global Self-driving Submarine Revenue by Type, (USD Million), 2021-2026
Table 2. Global Self-driving Submarine Revenue by Application, (USD Million), 2021-2026
Table 3. Boeing Basic Information, Manufacturing Base and Competitors
Table 4. Boeing Major Business
Table 5. Boeing Self-driving Submarine Product and Services
Table 6. Boeing Self-driving Submarine Sales (Units), Price (USD/Unit), Revenue (USD Million), Gross Margin and Market Share (2019-2021e)
Table 7. Rolls-Royce Basic Information, Manufacturing Base and Competitors
Table 8. Rolls-Royce Major Business
Table 9. Rolls-Royce Self-driving Submarine Product and Services
Table 10. Rolls-Royce Self-driving Submarine Sales (Units), Price (USD/Unit), Revenue (USD Million), Gross Margin and Market Share (2019-2021e)
Table 11. Triton Submarines LLC Basic Information, Manufacturing Base and Competitors
Table 12. Triton Submarines LLC Major Business
Table 13. Triton Submarines LLC Self-driving Submarine Product and Services
Table 14. Triton Submarines LLC Self-driving Submarine Sales (Units), Price (USD/Unit), Revenue (USD Million), Gross Margin and Market Share (2019-2021e)
Table 15. Global Self-driving Submarine Sales by Manufacturer (2019-2021e) & (Units)
Table 16. Global Self-driving Submarine Revenue by Manufacturer (2019-2021e) & (USD Million)
Table 17. Market Position of Manufacturers in Self-driving Submarine, (Tier 1, Tier 2, and Tier 3), Based on Revenue in 2020
Table 18. Global Self-driving Submarine Production Capacity by Company, (Units): 2020 VS 2021
Table 19. Head Office and Self-driving Submarine Production Site of Key Manufacturer
Table 20. Self-driving Submarine New Entrant and Capacity Expansion Plans
Table 21. Self-driving Submarine Mergers & Acquisitions in the Past Five Years
Table 22. Global Self-driving Submarine Sales by Region (2016-2021e) & (Units)
Table 23. Global Self-driving Submarine Sales by Region (2021-2026) & (Units)
Table 24. Global Self-driving Submarine Revenue by Region (2016-2021e) & (USD Million)
Table 25. Global Self-driving Submarine Revenue by Region (2021-2026) & (USD Million)
Table 26. Global Self-driving Submarine Sales by Type (2016-2021e) & (Units)
Table 27. Global Self-driving Submarine Sales by Type (2021-2026) & (Units)
Table 28. Global Self-driving Submarine Revenue by Type (2016-2021e) & (USD Million)
Table 29. Global Self-driving Submarine Revenue by Type (2021-2026) & (USD Million)
Table 30. Global Self-driving Submarine Price by Type (2016-2021e) & (USD/Unit)
Table 31. Global Self-driving Submarine Price by Type (2021-2026) & (USD/Unit)
Table 32. Global Self-driving Submarine Sales by Application (2016-2021e) & (Units)
Table 33. Global Self-driving Submarine Sales by Application (2021-2026) & (Units)
Table 34. Global Self-driving Submarine Revenue by Application (2016-2021e) & (USD Million)
Table 35. Global Self-driving Submarine Revenue by Application (2021-2026) & (USD Million)
Table 36. Global Self-driving Submarine Price by Application (2016-2021e) & (USD/Unit)
Table 37. Global Self-driving Submarine Price by Application (2021-2026) & (USD/Unit)
Table 38. North America Self-driving Submarine Sales by Country (2016-2021e) & (Units)
Table 39. North America Self-driving Submarine Sales by Country (2021-2026) & (Units)
Table 40. North America Self-driving Submarine Revenue by Country (2016-2021e) & (USD Million)
Table 41. North America Self-driving Submarine Revenue by Country (2021-2026) & (USD Million)
Table 42. North America Self-driving Submarine Sales by Type (2016-2021e) & (Units)
Table 43. North America Self-driving Submarine Sales by Type (2021-2026) & (Units)
Table 44. North America Self-driving Submarine Sales by Application (2016-2021e) & (Units)
Table 45. North America Self-driving Submarine Sales by Application (2021-2026) & (Units)
Table 46. Europe Self-driving Submarine Sales by Country (2016-2021e) & (Units)
Table 47. Europe Self-driving Submarine Sales by Country (2021-2026) & (Units)
Table 48. Europe Self-driving Submarine Revenue by Country (2016-2021e) & (USD Million)
Table 49. Europe Self-driving Submarine Revenue by Country (2021-2026) & (USD Million)
Table 50. Europe Self-driving Submarine Sales by Type (2016-2021e) & (Units)
Table 51. Europe Self-driving Submarine Sales by Type (2021-2026) & (Units)
Table 52. Europe Self-driving Submarine Sales by Application (2016-2021e) & (Units)
Table 53. Europe Self-driving Submarine Sales by Application (2021-2026) & (Units)
Table 54. Asia-Pacific Self-driving Submarine Sales by Region (2016-2021e) & (Units)
Table 55. Asia-Pacific Self-driving Submarine Sales by Region (2021-2026) & (Units)
Table 56. Asia-Pacific Self-driving Submarine Revenue by Region (2016-2021e) & (USD Million)
Table 57. Asia-Pacific Self-driving Submarine Revenue by Region (2021-2026) & (USD Million)
Table 58. Asia-Pacific Self-driving Submarine Sales by Type (2016-2021e) & (Units)
Table 59. Asia-Pacific Self-driving Submarine Sales by Type (2021-2026) & (Units)
Table 60. Asia-Pacific Self-driving Submarine Sales by Application (2016-2021e) & (Units)
Table 61. Asia-Pacific Self-driving Submarine Sales by Application (2021-2026) & (Units)
Table 62. South America Self-driving Submarine Sales by Country (2016-2021e) & (Units)
Table 63. South America Self-driving Submarine Sales by Country (2021-2026) & (Units)
Table 64. South America Self-driving Submarine Revenue by Country (2016-2021e) & (USD Million)
Table 65. South America Self-driving Submarine Revenue by Country (2021-2026) & (USD Million)
Table 66. South America Self-driving Submarine Sales by Type (2016-2021e) & (Units)
Table 67. South America Self-driving Submarine Sales by Type (2021-2026) & (Units)
Table 68. South America Self-driving Submarine Sales by Application (2016-2021e) & (Units)
Table 69. South America Self-driving Submarine Sales by Application (2021-2026) & (Units)
Table 70. Middle East & Africa Self-driving Submarine Sales by Country (2016-2021e) & (Units)
Table 71. Middle East & Africa Self-driving Submarine Sales by Country (2021-2026) & (Units)
Table 72. Middle East & Africa Self-driving Submarine Revenue by Country (2016-2021e) & (USD Million)
Table 73. Middle East & Africa Self-driving Submarine Revenue by Country (2021-2026) & (USD Million)
Table 74. Middle East & Africa Self-driving Submarine Sales by Type (2016-2021e) & (Units)
Table 75. Middle East & Africa Self-driving Submarine Sales by Type (2021-2026) & (Units)
Table 76. Middle East & Africa Self-driving Submarine Sales by Application (2016-2021e) & (Units)
Table 77. Middle East & Africa Self-driving Submarine Sales by Application (2021-2026) & (Units)
Table 78. Direct Channel Pros & Cons
Table 79. Indirect Channel Pros & Cons
Table 80. Self-driving Submarine Typical Distributors
Table 81. Self-driving Submarine Typical Customers
List of Figures
Figure 1. Self-driving Submarine Picture
Figure 2. Global Self-driving Submarine Sales Market Share by Type in 2020
Figure 3. Remote Control Self-driving Submarine
Figure 4. Semi-submersible
Figure 5. Intelligent Self-driving Submarine
Figure 6. Global Self-driving Submarine Sales Market Share by Application in 2020
Figure 7. Industrial
Figure 8. Military
Figure 9. Others
Figure 10. Global Self-driving Submarine Market Size, (USD Million) & (Units): 2020 VS 2021 VS 2026
Figure 11. Global Self-driving Submarine Market Size and Forecast (2016-2026) & (USD Million)
Figure 12. Global Self-driving Submarine Sales (2016-2026) & (Units)
Figure 13. Global Self-driving Submarine Price by Type (2016-2026) & (USD/Unit)
Figure 14. Global Self-driving Submarine Production Capacity (2016-2026) & (Units)
Figure 15. Global Self-driving Submarine Production Capacity by Geographic Region: 2020 VS 2021
Figure 16. Self-driving Submarine Market Drivers
Figure 17. Self-driving Submarine Market Restraints
Figure 18. Self-driving Submarine Market Trends
Figure 19. Global Self-driving Submarine Sales Market Share by Manufacturer in 2020
Figure 20. Global Self-driving Submarine Revenue Market Share by Manufacturer in 2020
Figure 21. Self-driving Submarine Market Share by Company Type (Tier 1, Tier 2, and Tier 3)
Figure 22. Top 3 Self-driving Submarine Manufacturer (Revenue) Market Share in 2020
Figure 23. Top 6 Self-driving Submarine Manufacturer (Revenue) Market Share in 2020
Figure 24. Global Self-driving Submarine Sales Market Share by Region (2016-2026)
Figure 25. Global Self-driving Submarine Revenue Market Share by Region (2016-2026)
Figure 26. North America Self-driving Submarine Revenue (2016-2026) & (USD Million)
Figure 27. Europe Self-driving Submarine Revenue (2016-2026) & (USD Million)
Figure 28. Asia-Pacific Self-driving Submarine Revenue (2016-2026) & (USD Million)
Figure 29. South America Self-driving Submarine Revenue (2016-2026) & (USD Million)
Figure 30. Middle East & Africa Self-driving Submarine Revenue (2016-2026) & (USD Million)
Figure 31. Global Self-driving Submarine Sales Market Share by Type (2016-2026)
Figure 32. Global Self-driving Submarine Revenue Market Share by Type (2016-2026)
Figure 33. Global Self-driving Submarine Price by Type (2016-2026) & (USD/Unit)
Figure 34. Global Self-driving Submarine Sales Market Share by Application (2016-2026)
Figure 35. Global Self-driving Submarine Revenue Market Share by Application (2016-2026)
Figure 36. Global Self-driving Submarine Price by Application (2016-2026) & (USD/Unit)
Figure 37. North America Self-driving Submarine Sales Market Share by Type (2016-2026)
Figure 38. North America Self-driving Submarine Sales Market Share by Application (2016-2026)
Figure 39. North America Self-driving Submarine Sales Market Share by Country (2016-2026)
Figure 40. North America Self-driving Submarine Revenue Market Share by Country (2016-2026)
Figure 41. United States Self-driving Submarine Revenue and Growth Rate (2016-2026) & (USD Million)
Figure 42. Canada Self-driving Submarine Revenue and Growth Rate (2016-2026) & (USD Million)
Figure 43. Mexico Self-driving Submarine Revenue and Growth Rate (2016-2026) & (USD Million)
Figure 44. Europe Self-driving Submarine Sales Market Share by Type (2016-2026)
Figure 45. Europe Self-driving Submarine Sales Market Share by Application (2016-2026)
Figure 46. Europe Self-driving Submarine Sales Market Share by Country (2016-2026)
Figure 47. Europe Self-driving Submarine Revenue Market Share by Country (2016-2026)
Figure 48. Germany Self-driving Submarine Revenue and Growth Rate (2016-2026) & (USD Million)
Figure 49. France Self-driving Submarine Revenue and Growth Rate (2016-2026) & (USD Million)
Figure 50. United Kingdom Self-driving Submarine Revenue and Growth Rate (2016-2026) & (USD Million)
Figure 51. Russia Self-driving Submarine Revenue and Growth Rate (2016-2026) & (USD Million)
Figure 52. Italy Self-driving Submarine Revenue and Growth Rate (2016-2026) & (USD Million)
Figure 53. Asia-Pacific Self-driving Submarine Sales Market Share by Region (2016-2026)
Figure 54. Asia-Pacific Self-driving Submarine Sales Market Share by Application (2016-2026)
Figure 55. Asia-Pacific Self-driving Submarine Sales Market Share by Region (2016-2026)
Figure 56. Asia-Pacific Self-driving Submarine Revenue Market Share by Region (2016-2026)
Figure 57. China Self-driving Submarine Revenue and Growth Rate (2016-2026) & (USD Million)
Figure 58. Japan Self-driving Submarine Revenue and Growth Rate (2016-2026) & (USD Million)
Figure 59. Korea Self-driving Submarine Revenue and Growth Rate (2016-2026) & (USD Million)
Figure 60. India Self-driving Submarine Revenue and Growth Rate (2016-2026) & (USD Million)
Figure 61. Southeast Asia Self-driving Submarine Revenue and Growth Rate (2016-2026) & (USD Million)
Figure 62. Australia Self-driving Submarine Revenue and Growth Rate (2016-2026) & (USD Million)
Figure 63. South America Self-driving Submarine Sales Market Share by Type (2016-2026)
Figure 64. South America Self-driving Submarine Sales Market Share by Application (2016-2026)
Figure 65. South America Self-driving Submarine Sales Market Share by Country (2016-2026)
Figure 66. South America Self-driving Submarine Revenue Market Share by Country (2016-2026)
Figure 67. Brazil Self-driving Submarine Revenue and Growth Rate (2016-2026) & (USD Million)
Figure 68. Argentina Self-driving Submarine Revenue and Growth Rate (2016-2026) & (USD Million)
Figure 69. Middle East & Africa Self-driving Submarine Sales Market Share by Type (2016-2026)
Figure 70. Middle East & Africa Self-driving Submarine Sales Market Share by Application (2016-2026)
Figure 71. Middle East & Africa Self-driving Submarine Sales Market Share by Country (2016-2026)
Figure 72. Middle East & Africa Self-driving Submarine Revenue Market Share by Country (2016-2026)
Figure 73. Turkey Self-driving Submarine Revenue and Growth Rate (2016-2026) & (USD Million)
Figure 74. Egypt Self-driving Submarine Revenue and Growth Rate (2016-2026) & (USD Million)
Figure 75. Saudi Arabia Self-driving Submarine Revenue and Growth Rate (2016-2026) & (USD Million)
Figure 76. South Africa Self-driving Submarine Revenue and Growth Rate (2016-2026) & (USD Million)
Figure 77. Sales Channel: Direct Channel vs Indirect Channel
Figure 78. Methodology
Figure 79. Research Process and Data Source
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