Mahammed Rashid Abboud, Ahmed Abdel -Hamid al-Obeidi, and Manal Samir kader. “Geotechnical Properties of Soil for Selected Sites in Kirkuk City”. Tikrit Journal of Pure Science 21, no. 4 (February 7, 2023): 97–105. Accessed October 25, 2025. https://www.tjpsj.org/index.php/tjps/article/view/1060.