Johar, Muhamad Fadel, Muhamad Nur Ali, and Muhammad Fajri Furqoni. 2026. “Preliminary Development of Lightweight Concrete through the Integration of Waste-Derived Materials”. MARAS : Jurnal Penelitian Multidisiplin 4 (4):1455-64. https://doi.org/10.60126/maras.v4i4.1891.