“TOTAL AND MATRIC SUCTION MEASUREMENT OF UNSATURATED SOILS IN BAGHDAD REGION BY FILTER PAPER METHOD”.
Journal of Engineering 18, no. 05 (May 1, 2012): 611–620. Accessed August 13, 2025.
https://www.joe.uobaghdad.edu.iq/index.php/main/article/view/2132.