Brawira N, 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 [Internet]. 8Jul.2022 [cited 21Nov.2024];22(2):91-6. Available from: http://invotek.ppj.unp.ac.id/index.php/invotek/article/view/1017