Gamal Khalifa. 2018. “THE EGYPTIAN HOTELS, WHERE IN THE COMPETITIVE ENVIRONMENT? COMPETITIVE STRATEGIES AND MARKET ORIENTATION AND ITS IMPACT ON CUSTOMER LOYALTY: THE MEDIATING ROLE OF OPERATIONAL PERFORMANCE”. International Journal of Management and Human Science (IJMHS) 2 (4):60-72. https://ejournal.lucp.net/index.php/ijmhs/article/view/810.