Talar Rashid, and Nadhmiah Majeed. “Effect of Fly Ash Powder on the Physical Properties of Expansive Soils”. Tikrit Journal of Pure Science 27, no. 4 (November 28, 2022): 51–59. Accessed August 3, 2025. https://www.tjpsj.org/index.php/tjps/article/view/33.