Dejoi Irfian Situngkir, Sitorus, F., & M. Rahmad Hidayat Panggabean. (2024). Level of Wear Occurring on the Long Arm due to Friction with Palm Kernel Shells in the Digester Machine. Jurnal Inotera, 9(2), 520-526. https://doi.org/10.31572/inotera.Vol9.Iss2.2024.ID428