BRAWIRA, N. A.; NURDIN, H.; LAPISA, R.; SYAHRI, B. Analysis of Hardness on the Tapping Knife of Rubber Plants Made of Medium Carbon Steel Resulting from Quenching Process with Different Cooling Mediums. INVOTEK: Jurnal Inovasi Vokasional dan Teknologi, [S. l.], v. 22, n. 2, p. 91–96, 2022. DOI: 10.24036/invotek.v22i2.1017. Disponível em: http://invotek.ppj.unp.ac.id/index.php/invotek/article/view/1017. Acesso em: 15 jul. 2026.