زعباط س. ., and بوقريقة ر. . “Customer Relationship Management As a Tool to Enhace the Mental Image of the Service Foundation : Case of Mobilis Company-Jigel Agency”. El-Bahith Review, vol. 20, no. 1, Apr. 2021, pp. 653-66, http://www.elbahithreview.edu.dz/index.php/bahith/article/view/69.