• Ø Abbas, S. (2017). Comparative Advantage of Pakistan in Selected Manufacturing Industries: The RCA Approach. Pakistan Business Review, 19(3), 579-591.
• Ø Ashrafi, M., Karbasi, A., & Sadrolashrafi, S. (2007). Production and Export Comparative Advantage of Raisins in Iran. Journal of Agricultural Economics and Development, 15, 39-59. (Persian)
• Ø Askariyan, F., & Jafari, A. (2007). The Study of the Amount of International Trade in Sports Goods of Iran in 1998 and 2001. The Quarterly Olympics, 4, 97-103. (Persian)
• Ø Askariyan, F., Asgharpour, H., & Sarlab, R. (2016). A Comparative Study of Comparative Advantage of Iran's Sports Goods Export.

 Sport Management Studies, 35, 67-82. (Persian)

• Ø Chen, Y. S., Lin, M. J. J., & Chang, C. H. (2009). The Positive Effects of Relationship Learning and Absorptive Capacity on Innovation Performance and Competitive Advantage in Industrial Markets. Industrial Marketing Management, 38, 152-158.
• Ø Farzin, M. R., & NadeAli, Z. (2011). Factors Affecting the Competitive Advantage of Tourism Destinations in Iran, Tourism Studies, 14, 41-67. (Persian)
• Ø Hammond, B. (2011).  NSGA Releases Sporting Goods Market in 2011 Report. www.nsga.org.
• Ø Hatof, H., Daneshvar Kakhkei, M., & Sarvari, A. (2011). A Comparative Study of the Comparative Advantage of Exports of Its Major Cultivar Products (Period 1390-1340). Journal of Economics and Agricultural Development, 2, 227-236. (Persian)
• Ø Hooley, G. J., Greenley, G. E., Cadogan, J. W., & Fahy, J. (2005). The Performance Impact of Marketing Resources. Journal of Business Research, 58, 18-27.
• Ø Hosseini, S. S., & Ehatiati, E. (2006). Competitive Advantage and Measurement: Case Study of Iran Methanol, Iranian Journal of Economic Research, 28. (Persian)
• Ø Jalaee Esfand Abadi, S. A., Taleghani, F., Mangali, H., & Aramesh, H. (2012). Simulation and Forecasting of Non-Oil Exports until 1404 Horizons. Journal of Economic Strategy, 4, 147-166.(Persian)
• Ø Kazem, M. (2001). My view of football is this, the Ministry of Culture and Islamic Guidance, the Printing and Publishing Organization, 46-69. (Persian)
• Ø Kermanshahi, P. (2014). The annual growth of 12 percent global market sporting goods, https://www.smtnews.ir/report/3828.html.(Persian)
• Ø Khandozzi, S. E. (2005). Porter's Idea in Business and Competitive Advantage. Rahbord Tousse Quarterly, 4, 83-102. (Persian)
• Ø Kocourek, A. (2015). Structural Changes in Comparative Advantages of the BRICS. Procedia-Social and Behavioral Sciences, 172, 10-17.
• Ø Leromain, E., & Orefice, G. (2014). New Revealed Comparative Advantage Index: Dataset and Empirical Distribution. International Economics, 139, 48-70.
• Ø Ma, H. X. (2012). An Economical Analysis on the Lack of Credit Standing in On-line Transactions of Sports Goods. Physics Procedia, 2, 659-665.
• Ø Mehrabi Basharabadi, H., Pakranan, M. R., & Shakibai, A. R. (2010). The Comparative Advantage and Business Mapping of Iranian Date Export. Journal of Agricultural Economics, 2, 63-81. (Persian)
• Ø Mehrara, M., & Rastmian, A. (2005). Iran, the Degree of Integration in the Global Economy and Relative Benefits, Journal of Economic Research, 72, 131-162. (Persian)
• Ø Papadimitriou, D. (2009). Olympic Sponsorship Activation and the Creation of Competitive Advantage. Journal of Promotion Management, 15, 90-117.
• Ø Porter, M. (1985). Competitive Advantage: Creating and Sustaining Superior Performance. Free Press New York.
• Ø Porter, M. E. (1980). Competitive Strategy: Techniques for Analyzing Industries and Competitors. New York: Free Press.
• Ø Porter, M. E. (1990). The Competitive Advantage of Nations. Harvard business review, 68, 73-93.
• Ø Rajabali Baglou, R. (2012). Competitive Advantage and its Role in the Economy of Libraries and Information Centers. Librarianship and Information Science, 15, 75-79. (Persian)
• Ø Zhou, K. Z., Brown, J. R., & Dev, C. S. (2009). Market Orientation, Competitive Advantage, and Performance: A Demand-Based Perspective. Journal of Business Research, 62, 1063-1070.