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دليل المستخدم
Al Sabab، A. A. A. A. A.، و Martin، N. H. (1973). AN INQUIRY INTO THE DEVELOPMENT OF THE CURRENT PLANNING INSTITUTIONS FOR ECONOMIC AND SOCIAL DEVELOPMENT iN SAUDI ARABIA: TO THOSE WHO ARE DEDICATED TO EDUCATION, PROGRESS, AND WELFARE OF THE KINGOOM OF SAUDI ARABIA (رسالة دكتوراه غير منشورة). New York University، نيويورك. مسترجع من http://search.mandumah.com/Record/615705
Al Sabab، Ahmed Abo Alia Al Ali، و Norman H. Martin. "AN INQUIRY INTO THE DEVELOPMENT OF THE CURRENT PLANNING INSTITUTIONS FOR ECONOMIC AND SOCIAL DEVELOPMENT IN SAUDI ARABIA: TO THOSE WHO ARE DEDICATED TO EDUCATION, PROGRESS, AND WELFARE OF THE KINGOOM OF SAUDI ARABIA" رسالة دكتوراه. New York University، نيويورك، 1973. مسترجع من http://search.mandumah.com/Record/615705