Al Jiffri، I. H. (2008). University EFL teachers' perceptions of teaching effectiveness between native English speaking teachers and non-native English speaking teachers in Universities in Saudi Arabia. عالم التربية، س8, ع24 ، 287 - 342. مسترجع من http://search.mandumah.com/Record/655272
Al Jiffri، Ibtesam Hussein. "University EFL Teachers' Perceptions of Teaching Effectiveness between Native English Speaking Teachers and Non-native English Speaking Teachers in Universities in Saudi Arabia." عالم التربية س8, ع24 (2008): 287 - 342. مسترجع من http://search.mandumah.com/Record/655272