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دليل المستخدم
Hegazy، N. (2019). The impact of Overall Service Quality on Perceived Value, Customer Satisfaction and Customer Retention: The Case of Vodafone Egypt. مجلة البحوث التجارية، مج41, ع1 ، 4 - 69. مسترجع من http://search.mandumah.com/Record/976975
Hegazy، Naglaa. "The Impact of Overall Service Quality On Perceived Value, Customer Satisfaction and Customer Retention: The Case of Vodafone Egypt." مجلة البحوث التجارية مج41, ع1 (2019): 4 - 69. مسترجع من http://search.mandumah.com/Record/976975