Ghaffaria, Fereydon, and Abdolnaser Shojaei. 2014. “Investigating the Factors Affecting of Competitive Advantages in MTN Company Using Structural Equation Modeling”. International Academic Journal of Business Management 1 (1): 33-43. https://iaiest.com/iaj/index.php/IAJBM/article/view/IAJBM1410004.