Al Ghamdi، A. A. S. A.، و Schwarz، M. (2006). The Position of Middle Managers as Regards the Process of Strategy Formulation: A Case Study at Saudi Telecommunications (رسالة ماجستير غير منشورة). University of Southampton، ساوثامبتون. مسترجع من http://search.mandumah.com/Record/602118
Al Ghamdi، Abd Allah Saeed A.، و Mirela Schwarz. "The Position of Middle Managers As Regards the Process of Strategy Formulation: A Case Study At Saudi Telecommunications" رسالة ماجستير. University of Southampton، ساوثامبتون، 2006. مسترجع من http://search.mandumah.com/Record/602118