Saeed, Haitham, and Huda Saad Abed. “Nonlinear Finite Element Analysis of Laterally Loaded Piles in Layered Soils”. Electronic Journal of Structural Engineering 23, no. 3 (July 25, 2023): 1–5. Accessed July 3, 2024. https://ejsei.com/EJSE/article/view/400.