hannache, habiba. “The Role of Information and Communication Technology in Customer Relationship Management- a Case Study of the Industrial Cement Company of Skikda”. Journal of Excellence for Economics and Management Research 9, no. 1 (June 5, 2025): 98-113. Accessed June 23, 2025. http://journals.lagh-univ.dz/index.php/jeemr/article/view/4212.