MAGHFURAH, F.; WAHYUDI, D. H. PERANCANGAN TOOL PUNCHING UNTUK PIPA SANITARI DIAMETER 2 IN. SINTEK JURNAL: Jurnal Ilmiah Teknik Mesin, [S. l.], v. 9, n. 1, 2016. Disponível em: https://jurnal.umj.ac.id/index.php/sintek/article/view/292. Acesso em: 12 may. 2025.