The Effect of Variation in the Composition of Candlenut Shell Charcoal Powder/Epoksi Composite on Hardness Value, Friction Coefficient and Specific Wear Rate. Jurnal Teknik Mesin, [S. l.], v. 14, n. 1, p. 33–37, 2023. DOI: 10.21063/jtm.2024.v14.i1.33-37. Disponível em: https://jtm.itp.ac.id/index.php/jtm/article/view/773. Acesso em: 21 agu. 2025.