THE EFFECT OF PUNCH GEOMETRY ON PUNCHING PROCESS IN TITANIUM SHEET. Jurnal Teknologi, [S. l.], v. 82, n. 2, 2020. DOI: 10.11113/jt.v82.13947. Disponível em: https://journals.utm.my/jurnalteknologi/article/view/13947.. Acesso em: 23 jul. 2024.