KHATAMI, M.; GINTING, R.; ISHAK, A. Analysis of Production Line Balance with Helgeson Birnie Approach on Plastic Chopping Machine. Jurnal Sistem Teknik Industri, [S. l.], v. 25, n. 1, p. 50–55, 2023. DOI: 10.32734/jsti.v25i1.9288. Disponível em: https://idjpcr.usu.ac.id/jsti/article/view/9288. Acesso em: 11 aug. 2025.