IR.BUNGARAN TAMBUN, M.SI. PENENTUAN MANUFACTURING LEAD TIME RUBBER ROLLER PADA PT. GROWTH SUMATERA INDUSTRI, LTD MEDAN. Jurnal Sains dan Teknologi ISTP, [S. l.], v. 11, n. 1, p. 11–19, 2021. DOI: 10.59637/jsti.v11i1.6. Disponível em: https://istp.ac.id.202-10-43-25.cpanel.site/index.php/jsti/article/view/6. Acesso em: 7 feb. 2026.