UJI MATERIAL ALUMINIUM PADUAN DENGAN METODE KEKERASAN ROCKWELL. Journal Mechanical and Manufacture Technology (JMMT), [S. l.], v. 1, n. 1, 2020. Disponível em: https://jurnal.yudharta.ac.id/v2/index.php/jmmt/article/view/1878. Acesso em: 5 jun. 2026.