Shafiqu, Qassun S. Mohammed, and Ruba H. Majeed Sa'ur. “Numerical Analysis of a Pile-Soil System Under Earthquake Loading”. Al-Nahrain Journal for Engineering Sciences 20, no. 2 (March 25, 2017): 446–451. Accessed May 30, 2026. https://nahje.journalpath.com/nahje/article/view/307.