Khalifa، A. A. E. O. (2013). Problems of Teaching English Curriculum in Preparatory Schools of Libya for the Second Stage of Fundamental. المجلة الليبية للدراسات، ع4 ، 43 - 69. مسترجع من http://search.mandumah.com/Record/769893
Khalifa، Abd Alhakim E. Omar. "Problems of Teaching English Curriculum in Preparatory Schools of Libya for the Second Stage of Fundamental." المجلة الليبية للدراسات ع4 (2013): 43 - 69. مسترجع من http://search.mandumah.com/Record/769893