Johar, M. F., M. N. Ali, and M. F. Furqoni. “Preliminary Development of Lightweight Concrete through the Integration of Waste-Derived Materials”. MARAS : Jurnal Penelitian Multidisiplin, vol. 4, no. 4, Oct. 2026, pp. 1455-64, doi:10.60126/maras.v4i4.1891.