Shohib, Muhammad, Hanie Teki Tjendani, and Jaka Purnama. “Evaluation of Stability and Geotechnical Performance of Hopper Retaining Walls Using PLAXIS 2D (Hardening Soil Model)”. Proceeding of International Conference of Advanced Transportation, Engineering, and Applied Social Science (December 30, 2025). Accessed January 6, 2026. https://ejournal.poltekbangsby.ac.id/index.php/icateass/article/view/2519.