Aung, Sat Sat, and Zaw Min Htike. “Modeling and Simulation of Load Frequency Control for Three Area Power System Using Proportional Integral Derivative (PID) Controller”. American Scientific Research Journal for Engineering, Technology, and Sciences 26, no. 2 (November 12, 2016): 301–315. Accessed May 3, 2024. https://asrjetsjournal.org/index.php/American_Scientific_Journal/article/view/2260.