Suratmi, Therunaq Agusnata Yusuf, & Maraden Panjaitan. (2025). Analytical–Numerical Investigation of Secant Pile Retaining Walls for Slope Stability in Soft Clay Using PLAXIS 3D. International Journal of Global Optimization and Its Application, 4(4), e538. https://doi.org/10.56225/ijgoia.v4i4.538