PRASTA, I.; MANALU, A. Performance Analysis of OTR Machine In The Black Tea Leaf Rolling Process At PTPN IV Bah Butong Unit . Journal of Engineering Science and Technology Management (JES-TM), [S. l.], v. 6, n. 3, p. 568–580, 2026. DOI: 10.31004/jestm.v6i3.488. Disponível em: https://jes-tm.org/index.php/jestm/article/view/488. Acesso em: 6 oct. 2026.