Arifin, M.D., Oloan, A.C.P. and Brahmantyo, E.H. 2025. Development of a Control and Monitoring System for Ballast Systems Based on Programmable Logic Controllers (PLC) and Human-Machine Interface (HMI). International Journal of Marine Engineering Innovation and Research. 10, 1 (Jul. 2025), 242–255. DOI:https://doi.org/10.12962/j25481479.v10i1.4768.