MANSOURI, Siham, and Mohamed BENGUERNA. “Reality Of Back Check Calls In Market Studies In The Middle East & North Africa Region”. Les Cahiers du CREAD 37, no. 1 (March 29, 2021): 73-96. Accessed July 3, 2024. https://revue.cread.dz/index.php/les-cahiers-du-cread/article/view/1277.