Optimalisasi Hardening Baja ST 42 Dengan Variasi Temperatur Pemanasan Dan Holding Time. Jurnal Mesin Nusantara, [S. l.], v. 9, n. 1, p. 119–125, 2026. DOI: 10.29407/jmn.v9i1.26730. Disponível em: https://ojs.unpkediri.ac.id/index.php/JMN/article/view/26730. Acesso em: 1 jul. 2026.