putra, Ahmad, Paundra, Fajar, Saputra, Andhyka, Saputra, Edo, Pramudya, Daka, AND Keflin, David. " Penggantian Belt Conveyor Pada JALUR CV 21 Berdasarkan Metode Pemeliharaan Periodic Maintenance Di Tambang Batu Bara" Journal of Industrial and Mechanical Engineering [Online], Volume 3 Number 1 (30 June 2025)