Al Doyhi، M. H.، و Steele، C. (1984). THE EXTENT TO WHICH CULTURAL DIFFERENCES AFFECT AND CONTROL CHILDRENS'SIMILARITIES AND DIFFERENCES IN CHOICE OF SUBJECT MATTER IN THEIR DRAWINGS (رسالة ماجستير غير منشورة). Michigan State University، إيست لانسنيغ. مسترجع من http://search.mandumah.com/Record/615359
Al Doyhi، Mohd H.، و Charles Steele. "THE EXTENT TO WHICH CULTURAL DIFFERENCES AFFECT AND CONTROL CHILDRENS'SIMILARITIES AND DIFFERENCES IN CHOICE OF SUBJECT MATTER IN THEIR DRAWINGS" رسالة ماجستير. Michigan State University، إيست لانسنيغ، 1984. مسترجع من http://search.mandumah.com/Record/615359