Mohammed Shafiqu, Qassun S., and Ahmed A. Yassen. “Time-Dependent Behavior of Excavation in Cohesive Soils Using the Bounding Surface Model”. Al-Nahrain Journal for Engineering Sciences 14, no. 1 (March 24, 2011): 1–12. Accessed November 18, 2024. https://nahje.com/index.php/main/article/view/596.