Al Biely، A. (2000). Ground Water Exploration in North Kordofan State: A Contribution to Rehabilitation and Development Schemes Case Study : Sodari - Umm Badir Area. مجلة محاور، ع4,5 ، 1 - 7. مسترجع من http://search.mandumah.com/Record/641360
Al Biely، Awad. "Ground Water Exploration in North Kordofan State: A Contribution to Rehabilitation and Development Schemes Case Study : Sodari - Umm Badir Area." مجلة محاور ع4,5 (2000): 1 - 7. مسترجع من http://search.mandumah.com/Record/641360