Hassan، S. R. A.، و Amer، A. A. i. (2006). Effectiveness of A Training Course Based On Some Co-operative Learning Strategies in Promoting The Oral Performance of Primary Efl In- Service Teachers AT AL-Azhar Institutes. مجلة كلية التربية، مج16, ع65 ، 1 - 24. مسترجع من http://search.mandumah.com/Record/657170
Hassan، Selim Refaat Ahmed، و Ali Ahmed ibrahim Amer. "Effectiveness of A Training Course Based On Some Co-operative Learning Strategies in Promoting The Oral Performance of Primary Efl In- Service Teachers AT AL-Azhar Institutes." مجلة كلية التربية مج16, ع65 (2006): 1 - 24. مسترجع من http://search.mandumah.com/Record/657170