Sanba، N. A.، و HatHorn، D. (2012). Testing the Level of Motivation and Satisfaction Gained Amongst Employees of TVTC, Using Performance Appraisals to Improve Quality (رسالة ماجستير غير منشورة). University of Portsmouth، بورتسموث. مسترجع من http://search.mandumah.com/Record/604551
Sanba، Norah Ahmed، و David HatHorn. "Testing the Level of Motivation and Satisfaction Gained Amongst Employees of TVTC, Using Performance Appraisals to Improve Quality" رسالة ماجستير. University of Portsmouth، بورتسموث، 2012. مسترجع من http://search.mandumah.com/Record/604551