“Multi-Criteria Optimization of Rice Husk Ash Mortar Using Entropy–TOPSIS”. Jurnal Rekayasa Sipil dan Arsitektur 2, no. 2 (July 30, 2026): 125–148. Accessed October 7, 2026. https://jrsa.stekom.ac.id/index.php/jrsa/article/view/171.