Kasem Abdinibi Farag, Mohamed Amraja Mohamed, Mohammed A. Asselhab, Eman Shuaib Essa, & Sumaia Masoud. (2025). Hierarchical Linear Modeling of Academic Achievement: An Empirical Study of Student, Teacher, and School Factors . مجلة شمال إفريقيا للنشر العلمي (NAJSP), 3(3), 236–246. استرجع في من https://najsp.com/index.php/home/article/view/561