M. A. AL-Omary A, أسعد. Studying of the Gypsiferous Soil Suction Using Filter Paper Technique. AREJ [Internet]. 2011 Jun. 28 [cited 2025 Aug. 3];19(3):26-3. Available from: https://rjps.uomosul.edu.iq/index.php/arej/article/view/9191