gozim, M. and Hermez, D. (2021) “the effectiveness of the differentiated education strategy in teaching mathematical concepts to educationally retarded pupilsin the first-grade school ”, Al-Jamie Journal In Psychological Studies and Educational Sciences, 6(1), pp. 353–372. Available at: https://journals.univ-msila.dz/index.php/ajpe/article/view/9461 (Accessed: 18 April 2026).