TEKNIK MESIN, POLITEKNIK NEGERI SEMARANG, Eko Armanto, Bambang Tjahjono, Muhammad Zuniam, Yusuf Amrizal, Jurusan. Roll Bender Pipa Galvanis Diameter 1,5 Inchi. Jurnal Rekayasa Mesin, [S. l.], v. 10, n. 3, 2016. DOI: 10.32497/rm.v10i3.206. Disponível em: https://jurnal.polines.ac.id/index.php/rekayasa/article/view/206. Acesso em: 30 may. 2025.