حياصات، آلاء، و العمري، حمزة علي. (2006). The Degree to Which Tenth Grade EFL Teachers in Jordan Practice the Motivational Techniques Preferred by Their Students and the Effect of this Practice on their Students' Level of Achievement in English (رسالة ماجستير غير منشورة). الجامعة الاردنية، عمان. مسترجع من http://search.mandumah.com/Record/547315
حياصات، آلاء، و حمزة علي العمري. "The Degree to Which Tenth Grade EFL Teachers in Jordan Practice the Motivational Techniques Preferred By Their Students and the Effect of This Practice On Their Students' Level of Achievement in English" رسالة ماجستير. الجامعة الاردنية، عمان، 2006. مسترجع من http://search.mandumah.com/Record/547315