Hulais، H. Y.، و Litz، C. E. (1982). THE INTERACTIONAL VARIATION OF MOTIVATIONAL FACTORS, ABILITIES AND SUPPORT IN RELATION TO PERCEIVED INTENITY OF STRESS CONDITIONS AMONG MEDICAL STUDENTS (رسالة دكتوراه غير منشورة). Kansas State University، مانهاتن. مسترجع من http://search.mandumah.com/Record/615572
Hulais، Hamdi Y.، و Charles E. Litz. "THE INTERACTIONAL VARIATION OF MOTIVATIONAL FACTORS, ABILITIES AND SUPPORT IN RELATION TO PERCEIVED INTENITY OF STRESS CONDITIONS AMONG MEDICAL STUDENTS" رسالة دكتوراه. Kansas State University، مانهاتن، 1982. مسترجع من http://search.mandumah.com/Record/615572