Title: Ḥalqat al-ʻAmal ḥawla Istirātījīyat Taṭwīr al-Mawārid al-Māʼīyah taḥta Ẓurūf al-Jafāf
First published: 1990
Subjects: Water resources development, Congresses, Arid regions agriculture
LC classification: HD1698.5 .H245 1989