Charan Patel, Nimai, Manoj Kumar Debnath, Durgesh Prasad Bagarty, and Pranati Das. “GWO Tuned Multi Degree of Freedom PID Controller for Load Frequency Control”. International Journal of Engineering & Technology 7, no. 2.33 (June 8, 2018): 548–552. Accessed May 5, 2024. https://www.sciencepubco.com/index.php/ijet/article/view/14831.