Hermawan, R., Supriyatna, D. . and Susilo, E. . (2025) “The Importance of Preventive Maintenance on Cnc Laser Cutting Machines: Maintaining Quality Consistency and Avoiding Unexpected Damage”, TOFEDU: The Future of Education Journal, 4(4), pp. 938–946. doi: 10.61445/tofedu.v4i4.515.