Aulia, S. .; Ginting, Z. .; Muthawali, D. I. .; Ishak, I.; Muhammad, M.; Kurniawan, E. .; Kusuma, B. S. . Characteristics of Biopellets from Young Coconut Shell and Coconut Shell Waste Using Pine Sap Adhesive As Alternative Fuel. IRA J.Tek. Mesin Dan Apl 2024, 3, 119-129.