Junaidi J, Irawan A. ANALISA PENGUJIAN KEKERASAN MATERIAL BAJA KARBONRENDAH DAN BESI MENGGUNAKAN METODE UJI BRINNEL. Jitekh [Internet]. 2019 Sep. 30 [cited 2025 Aug. 21];7(2):57-61. Available from: https://jurnal.harapan.ac.id/index.php/Jitekh/article/view/725