فهرس المقالات Mina Alireza Khazabi المقاله 1 - Evaluation of effectiveness virtual mathematics teaching based on manipulative on mathematical learning in 6th grade elementary male students in 5th districts of Tehran in Covid-19 pandemic Mina Alireza Khazabi Hossein Abbasian Curriculum Research Journal , ستأتي المقالات قريبًا المقاله 2 - Evaluation of the effectiveness of virtual mathematics teaching based on manipulative mathematical learning in 6th-grade elementary male students in 5th districts of Tehran in Covid-19 pandemic Mina Alireza Khazabi Hossein Abbasian Curriculum Research Journal , العدد 9 , السنة 3 , پاییز 1401