Faraj، A. A. H. (1992). Some Roles of Independent Study in Improving Motivation for Learning: Part II Some General Features of Independent Study. مجلة التربية، س21, ع101 ، 16 - 22. مسترجع من http://search.mandumah.com/Record/681820
Faraj، Abd Allatif Hussien. "Some Roles of Independent Study in Improving Motivation for Learning: Part II Some General Features of Independent Study." مجلة التربية س21, ع101 (1992): 16 - 22. مسترجع من http://search.mandumah.com/Record/681820