Cherif، B. M. (2019). The Impact of Teaching with Cooperative Learning Method on First Year Secondary School Pupils’ Performance with their Different Achievement Levels Concerning Volleyball Activity. مجلة الإبداع الرياضي، مج10, ع2 ، 410 - 428. مسترجع من http://search.mandumah.com/Record/1064351
Cherif، Bentabet Mohamed. "The Impact of Teaching With Cooperative Learning Method On First Year Secondary School Pupils’ Performance With Their Different Achievement Levels Concerning Volleyball Activity." مجلة الإبداع الرياضي مج10, ع2 (2019): 410 - 428. مسترجع من http://search.mandumah.com/Record/1064351