S. I. A. Khatta, Dr., and M. N. J. Al-Zaidy. “Effect of Anisotropy on Unsaturated Hydraulic Conductivity and SWCC of Clayey Soil (English)”. Al-Rafidain Engineering Journal (AREJ) 21, no. 1 (February 28, 2013): 115–133. Accessed September 8, 2025. https://jamh.uomosul.edu.iq/index.php/arej/article/view/30609.