PURWONO, H. ANALISIS BODY DEFECT PADA PRODUKSI KALENG TWO PIECE (2PC) DI PT UNITEDCAN COMPANY DENGAN MENGGUNAKAN TEORI PUNCHING TOOL. SINTEK JURNAL: Jurnal Ilmiah Teknik Mesin, [S. l.], v. 10, n. 1, 2016. Disponível em: https://jurnal.umj.ac.id/index.php/sintek/article/view/1429. Acesso em: 23 may. 2025.