leghrib, Ahlem, and abdelghani harouz. “the Educational Curriculum in the Maghreb Region During the Al-Hammadid Era A Study of Roles , Influe”. Journal of Social Sciences and Humanities , vol. 13, no. 02, June 2023, p. 147, https://journals.univ-msila.dz/index.php/JOSSH/article/view/1308.