Nabila, Belmehdi, Boudaouad Hamida, and Boulekroune Radia. 2024. “Contribution of Customer Relationship Management to Building Customer Loyalty: Case Study of Heetch El Djazair Foundation”. International Journal of Economic Perspectives 18 (1):126-42. http://ijeponline.org/index.php/journal/article/view/550.