SETIAWAN, Arif; PRADIGDO, Dedy; WIBOWO, Farid Hendro. The GRINDER CONSTRUCTION DESIGN OF A BALL MILL MACHINE FOR THE PROCESS OF HOMOGENIZING BLACK POWDER USING AN AUTOMATIC SYSTEM. Jurnal Otoranpur, [S. l.], v. 2, n. 2, p. 22–28, 2021. DOI: 10.54317/oto.v2iOktober.187. Disponível em: https://journal.poltekad.ac.id/oto/article/view/187. Acesso em: 25 may. 2026.