عبد رب الرسول بن موسى العمران

Sheta, A.S., A.M. Al-Omran., A. S. Sheta, A.M. Falatah, and A.R. Al-Harbi.2004. Characteristics of natural clay deposits in Saudi Arabia and their potential for water conservations in irrigated sandy soils. WSTA sixth gulf water conference in concurrence