Sultan، F. S.، و Balk، W. (1988). MANAGEMENT BY OBJECTIVES IN DEVELOPING ADMINISTRATION SYSTEMS: : A CASE STUDY OF THE SAUDIAN MINISTRY OF POST TELEPHONE AND TELEGRAPH (رسالة دكتوراه غير منشورة). The State University of New York at Albany، ألباني. مسترجع من http://search.mandumah.com/Record/616585
Sultan، Fahad S.، و Walter Balk. "MANAGEMENT BY OBJECTIVES IN DEVELOPING ADMINISTRATION SYSTEMS: : A CASE STUDY OF THE SAUDIAN MINISTRY OF POST TELEPHONE AND TELEGRAPH" رسالة دكتوراه. The State University of New York at Albany، ألباني، 1988. مسترجع من http://search.mandumah.com/Record/616585