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دليل المستخدم
Tashkوy، A. A.، و Woolls، B. (1977). BIBLIOGRAPHICAL CONTROL IN SAUDI ARABIA: N AN INQUIRY INTO THE PRINTING AND nDISTRIBUTION OF GOVERNMENT PUBLICATIONS, nWITH RECOMMENDATIONS FOR IMPROVEMENT (رسالة دكتوراه غير منشورة). University of Pittsburgh، بيتسبرغ. مسترجع من http://search.mandumah.com/Record/615653
Tashkوy، Abd Aljalil، و Blanche Woolls. "BIBLIOGRAPHICAL CONTROL IN SAUDI ARABIA: N AN INQUIRY INTO THE PRINTING AND NDISTRIBUTION OF GOVERNMENT PUBLICATIONS, NWITH RECOMMENDATIONS FOR IMPROVEMENT" رسالة دكتوراه. University of Pittsburgh، بيتسبرغ، 1977. مسترجع من http://search.mandumah.com/Record/615653