Yousef، A. (1992). Goals and Objectives of a Library or Information: Service of an Organization. مجلة التربية، س21, ع101 ، 37 - 41. مسترجع من http://search.mandumah.com/Record/681832
Yousef، Atif. "Goals and Objectives of a Library or Information: Service of an Organization." مجلة التربية س21, ع101 (1992): 37 - 41. مسترجع من http://search.mandumah.com/Record/681832