Nasution, Marah Doly, Muhammad Romi Syahputra, and Isnaini Halimah Rambe. “MODELLING AND NUMERICAL ANALYSIS FOR CRACK PROPAGATION IN COMBINING CONCRETE WITH 25% FEATHER SHELL POWDER USING FINITE ELEMENT METHOD”. BAREKENG: Jurnal Ilmu Matematika dan Terapan 19, no. 4 (September 1, 2025): 2419-2430. Accessed October 4, 2025. https://ojs3.unpatti.ac.id/index.php/barekeng/article/view/16855.