Raouf, Beheshteh, and Seyedamirabbas Mousavian. “A Robust Controller Design Based on Kharitonov’s Theorem for Frequency Control in an Interconnected Power System”. European Journal of Electrical Engineering and Computer Science 7, no. 1 (January 13, 2023): 1–9. Accessed April 26, 2025. https://www.ejece.org/index.php/ejece/article/view/482.