Esmaiel، O. M. A.، Seleim، S. I. M.، و Mohamed، M. F. (2018). The Effect of Challenge Based Learning Strategy on Developing University Students' Academic Reading Skills. دراسات تربوية واجتماعية، مج24, ع1 ، 159 - 210. مسترجع من http://search.mandumah.com/Record/1120378
Esmaiel، Omaima Moustafa Ali، Soheir Ibrahim Mohamed Seleim، و Manal Faruk Mohamed. "The Effect of Challenge Based Learning Strategy On Developing University Students' Academic Reading Skills." دراسات تربوية واجتماعية مج24, ع1 (2018): 159 - 210. مسترجع من http://search.mandumah.com/Record/1120378