SUUD, H. M.; NOVIJANTO, N.; NADZIRAH, R.; SAVITRI, D. A. Study of Coffee Bean Displacement Inside Drum Roaster Using Force Balance Analysis. Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering), [S. l.], v. 12, n. 4, p. 909–920, 2023. DOI: 10.23960/jtep-l.v12i4.909-920. Disponível em: https://jurnal.fp.unila.ac.id/index.php/JTP/article/view/7436. Acesso em: 26 nov. 2025.