Ismail, I., Sari, M., Fathmiyah, S., Fauzi, F., & Rahwanto, A. (2026). Influence of NaOH Treatment Duration on the Properties of High-Loaded Coconut Shell Particle Epoxy Biocomposites. Journal of Engineering and Technological Sciences, 58(4), 524–539. https://doi.org/10.5614/j.eng.technol.sci.2026.58.4.5