Al Shoon، S. M.، و Freeman، L. (2012). To Understand Consumers’ Perception of the Customers Service and Call Centers of Saudi Telecom Company (STC) in Order to Improve the Company Consumer Interface (رسالة ماجستير غير منشورة). University of Technology, Sydney، سيدني. مسترجع من http://search.mandumah.com/Record/752777
Al Shoon، Shaher Mahmood، و Lynne Freeman. "To Understand Consumers’ Perception of the Customers Service and Call Centers of Saudi Telecom Company (STC) in Order to Improve the Company Consumer Interface" رسالة ماجستير. University of Technology, Sydney، سيدني، 2012. مسترجع من http://search.mandumah.com/Record/752777