Kamal, Ahmed. “Effect of E-CRM on Port Performance Through Customer Satisfaction and Customer Loyalty: The Case Study of MENA Region Ports”. EPH - International Journal of Business & Management Science 7, no. 12 (February 28, 2022): 14–143. Accessed July 5, 2022. https://www.ephjournal.com/index.php/bms/article/view/1850.