The Preventive Maintenance Analysis of Tea Processing Machinery in Small-Scale Tea Industries: Analisis Perawatan Preventif pada Mesin Pengolahan Teh Skala Industri Kecil. Procedia of Engineering and Life Science, [S. l.], v. 10, n. 1, p. 788–793, 2026. DOI: 10.21070/pels.v10i1.2911. Disponível em: https://pels.umsida.ac.id/index.php/PELS/article/view/2911. Acesso em: 24 oct. 2026.