Mohammed، O. Y. (2013). Virtual Learning as a Means For Environment Protection: The Extent of Its Applicability to The Teaching of Industrial Design Program. مجلة التصميم الدولية، مج3, ع3 ، 71 - 82. مسترجع من http://search.mandumah.com/Record/1021684
Mohammed، Osaman Yousef. "Virtual Learning As a Means For Environment Protection: The Extent of Its Applicability to The Teaching of Industrial Design Program." مجلة التصميم الدولية مج3, ع3 (2013): 71 - 82. مسترجع من http://search.mandumah.com/Record/1021684