Al-Majali, A. A. and Adayleh, R. M. (2018) “International Competitiveness in Services in Some Middle East and North Africa Countries Using Gravity Model”, International Review of Management and Marketing, 8(2), pp. 53–62. Available at: https://econjournals.com/index.php/irmm/article/view/6059 (Accessed: 1 July 2024).