Lotfy، N. (2017). Utilizing a Collaborative Problem Solving Strategy for Developing Essay Writing Skills of EFL Prospective Teachers at the Faculty of Specific Education. دراسات عربية في التربية وعلم النفس، ع87 ، 481 - 518. مسترجع من http://search.mandumah.com/Record/941610
Lotfy، Nadia. "Utilizing a Collaborative Problem Solving Strategy for Developing Essay Writing Skills of EFL Prospective Teachers At the Faculty of Specific Education." دراسات عربية في التربية وعلم النفس ع87 (2017): 481 - 518. مسترجع من http://search.mandumah.com/Record/941610