Nasution, M. D., Syahputra, M. R., & Rambe, I. H. (2025). 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(4), 2419-2430. https://doi.org/10.30598/barekengvol19iss4pp2419-2430