Lobitos Orvin A., Torculas Kathyleen S., Stanley B. Paler, Jan Albert Alejo U. Parenas, and Lex Aine June D. Tabor, “Optimization of Composite Eco-Blocks Derived From Sawdust Ash and Plastic as an Alternative Aggregate”, Journal of Environmental Impact and Management Policy, vol. 3, no. 02, pp. 1–12, Feb. 2023.