Farag، M. A. (2016). Instructor Guidelines and Group Size as Moderating Factors Affecting Quality and Quantity of Online Discussion Participation, Satisfaction and Learning. دراسات عربية في التربية وعلم النفس، ع72 ، 419 - 552. مسترجع من http://search.mandumah.com/Record/760939
Farag، Mohammed A. "Instructor Guidelines and Group Size As Moderating Factors Affecting Quality and Quantity of Online Discussion Participation, Satisfaction and Learning." دراسات عربية في التربية وعلم النفس ع72 (2016): 419 - 552. مسترجع من http://search.mandumah.com/Record/760939