Analisis Repair Maintenance dan Preventive Maintenance pada Mesin Huller di Industri Kopi : Analysis of Repair Maintenance and Preventive Maintenance on Huller Machines in the Coffee Industry. j.ilm.inov. [Internet]. 2023 Dec. 30 [cited 2026 Nov. 8];23(3):251-8. Available from: https://publikasi.polije.ac.id/jii/article/view/3988