Sahakian، S. K. (1997). A self–Study Approach to Content Discipline and English Language Learning: A Heterogeneous Group of Teachers Planning, Learning, Teaching and Evaluating Themselves. مجلة كلية التربية بالمنصورة، ج34 ، 63 - 95. مسترجع من http://search.mandumah.com/Record/681732
Sahakian، Sirvart Kevork. "A Self–Study Approach to Content Discipline and English Language Learning: A Heterogeneous Group of Teachers Planning, Learning, Teaching and Evaluating Themselves." مجلة كلية التربية بالمنصورة ج34 (1997): 63 - 95. مسترجع من http://search.mandumah.com/Record/681732