Andi Krismanto M. David Panggabean, Haris Gunawan, and Muhammad Erpandi Dalimunthe, “PID Controller System Analysis on Automatic Voltage Regulator (AVR) for Regulating Excitation Voltage of a 3-Phase Synchronous Generator”, JMS, vol. 5, no. 04, pp. 1041–1050, Jun. 2025.