ANALISA KEKUATAN CETAKAN PEWTER DENGAN MATERIAL ALUMINIUM. Machine : Jurnal Teknik Mesin, [S. l.], v. 2, n. 2, p. 32–36, 2017. Disponível em: https://www.journal.ubb.ac.id/index.php/machine/article/view/556. Acesso em: 5 nov. 2026.