Effect of Chromium Doping to Hardness Properties in the Manufacture of Spur Gears Made from Ferrous Powder. Jurnal Teknik Mesin, [S. l.], v. 10, n. 2, p. 109–113, 2020. DOI: 10.21063/jtm.2020.v10.i2.109-113. Disponível em: https://jtm.itp.ac.id/index.php/jtm/article/view/390. Acesso em: 18 agu. 2025.