Osman، A. A. O. A. A. (2016). The Gap between Perceptions and Expectations for Measuring the Quality of Services Provided by the Higher Technological Institute in Matrouh from the Viewpoint of the Students. المجلة العلمية للاقتصاد والتجارة، ع4 ، 115 - 143. مسترجع من http://search.mandumah.com/Record/870906
Osman، Abd Alrahman Osman Abd Alrahman. "The Gap between Perceptions and Expectations for Measuring the Quality of Services Provided By the Higher Technological Institute in Matrouh From the Viewpoint of the Students." المجلة العلمية للاقتصاد والتجارة ع4 (2016): 115 - 143. مسترجع من http://search.mandumah.com/Record/870906