Amna Zainab Memon, Amna Zainab Memon. “TO DESIGN THE PI CONTROLLER FOR ENHANCEMENT OF PERFORMANCE OF HYBIRD POWER GENERATION SYSTEM”. International Journal of Electrical Engineering & Emerging Technology , vol. 5, no. 1, June 2022, pp. 21-24, https://oldarchive.ijeeet.com/index.php/ijeeet/article/view/109.