ANALISIS KOMPARATIF METODE PENGUJIAN KEKERASAN: ROCKWELL DAN VICKERS PADA HEAT-TREATED HIGH-SPEED STEEL (BAJA KECEPATAN TINGGI YANG DIOLAH PANAS). PROCEEDINGS OF NATIONAL COLLOQUIUM RESEARCH AND COMMUNITY SERVICE, [S. l.], v. 8, p. 67–71, 2024. DOI: 10.33019/snppm.v8i0.6004. Disponível em: https://www.journal.ubb.ac.id/index.php/snppm/article/view/6004. Acesso em: 23 may. 2026.