PURNOMO, G.; PUTRI, F.; EFFENDI, S. PENGARUH QUENCHING TERHADAP KEKERASAN MATERIAL BAJA JIS SUP 9. MACHINERY: Jurnal Teknologi Terapan, [S. l.], v. 1, n. 1, p. 62–70, 2020. DOI: 10.5281/zenodo.4540929. Disponível em: https://jurnal.polsri.ac.id/index.php/machinery/article/view/2781. Acesso em: 7 may. 2024.