Muhammadi Nadia, and Alahoum Rabeh. “Electronic Documentary Research for Doctoral Students in Social Sciences and Humanities University of Oran and Mostaganem and Tlemcen As a Model”. International Journal of Social Communication, vol. 8, no. 04, Dec. 2021, pp. 314-37, https://revue.univ-mosta.dz/index.php/ijsc/article/view/1197.