(1)
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 2022, 22, 91-96.