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دليل المستخدم
Samarkوi، A. A. A. A.، و Feather، J. (1990). NATIONAL BIBLIOGRAPHY IN SAUDI ARABIA, EGYPT AND TUNISIA: ANALYTICAL AND COMPARATIVE STUDY WITH A VIEW TO PLANNING A SAUDI ARABIAN NATIONAL BIBLIOGRAPHY (رسالة دكتوراه غير منشورة). Loughborough University، لوفبرا. مسترجع من http://search.mandumah.com/Record/599831
Samarkوi، Abd Allatif Abd Alhakeem، و John Feather. "NATIONAL BIBLIOGRAPHY IN SAUDI ARABIA, EGYPT AND TUNISIA: ANALYTICAL AND COMPARATIVE STUDY WITH A VIEW TO PLANNING A SAUDI ARABIAN NATIONAL BIBLIOGRAPHY" رسالة دكتوراه. Loughborough University، لوفبرا، 1990. مسترجع من http://search.mandumah.com/Record/599831