Tamraz، A. A. (1989). A Study of Availability and Actual Usage of Arabic & English Mongraphs in the Areas of Science & Technology in the Academic Libraries in Saudi Arabia. مجلة المكتبات والمعلومات العربية، س9, ع1 ، 4 - 20. مسترجع من http://search.mandumah.com/Record/1530456
Tamraz، Ahmad Ali. "A Study of Availability and Actual Usage of Arabic & English Mongraphs in the Areas of Science & Technology in the Academic Libraries in Saudi Arabia." مجلة المكتبات والمعلومات العربية س9, ع1 (1989): 4 - 20. مسترجع من http://search.mandumah.com/Record/1530456