Al Mossa، I. A.، و Orazem، F. (1987). A NEED ASSESSMENT OF SAUDI INTERMEDIATE SCHOOL TEACHERS OF SCIENCE: A BASIS FOR INSERVICE AND PRESERVICE PROGRAMS (رسالة دكتوراه غير منشورة). Kansas State University، مانهاتن. مسترجع من http://search.mandumah.com/Record/615437
Al Mossa، Ibrahim A.، و Frank Orazem. "A NEED ASSESSMENT OF SAUDI INTERMEDIATE SCHOOL TEACHERS OF SCIENCE: A BASIS FOR INSERVICE AND PRESERVICE PROGRAMS" رسالة دكتوراه. Kansas State University، مانهاتن، 1987. مسترجع من http://search.mandumah.com/Record/615437