Elsharief, Ahmed M., Magdi M. E. Zumrawi, and Ahmed M. Salam. “Experimental Study of Some Factors Affecting Swelling Pressure”. University of Khartoum Engineering Journal 4, no. 2 (September 5, 2022). Accessed September 4, 2025. https://uofkej.uofk.edu/index.php/uofkej/article/view/248.