Badri, M., Arief, D., & Kurniawan, I. (2022). Effects of Oil Palm Trunk (OPT), Peat and Coconut Shell Charcoal on the Characteristics of Biomass Pellet. Journal Of Ocean, Mechanical And Aerospace -Science And Engineering-, 66(1), 1-7. doi:10.36842/jomase.v66i1.277