Al Malleess، S. M.، و Smith، V. H. (1980). A COMPARATIVE STUDY OF THE COLLEGIATE SUCCESS OF GRADUATES OF COMPREHENSIVE SECONDARY SCHOOLS AND TRADITIONAL SECONDARY SCHOOLS IN SELECTED REGIONS OF SAUDI ARABIA (رسالة دكتوراه غير منشورة). Indiana University، إنديانا. مسترجع من http://search.mandumah.com/Record/612960
Al Malleess، Sa'eed Mohammed، و Vernon H. Smith. "A COMPARATIVE STUDY OF THE COLLEGIATE SUCCESS OF GRADUATES OF COMPREHENSIVE SECONDARY SCHOOLS AND TRADITIONAL SECONDARY SCHOOLS IN SELECTED REGIONS OF SAUDI ARABIA" رسالة دكتوراه. Indiana University، إنديانا، 1980. مسترجع من http://search.mandumah.com/Record/612960