بوجنانة فؤاد. “Evaluating the Effectiveness of Marketing Communication Strategy in Economic Services Companies Empirical Study on a Sample of Mobile Phone Customers in Algeria”. Milev Journal of Research and Studies 5, no. 1 (June 30, 2019). Accessed October 6, 2024. https://jiamcs.centre-univ-mila.dz/index.php/mjrs/article/view/834.