M. D. Bobanto, D. P. Pandara, M. Kumaunang, G. H. Tamuntuan, F. Ferdy, and R. Marsaoly, “Incorporation of Lokon Ash, Plastic and Fish Scales Waste in Concrete Composites and Their Compressive Strength ”, JIS, vol. 25, no. 2, pp. 138–149, Oct. 2025.