SISTEM PREVENTIVE MAINTENANCE CONTROL PADA MESIN BUBUT BJ-1640GD (Studi Kasus Di Laboratorium Teknik Mesin Fakultas Teknik Universitas Bangka Belitung). SNPPM [Internet]. 2021 Jan. 25 [cited 2026 Jul. 26];4. Available from: https://journal.ubb.ac.id/index.php/snppm/article/view/2156