Riyawong, Jirawat, Sitthisak Audomsi, Worarat Phakditha, Chatmongkol Areeyat, Kunakorn Pakdeesuwan, Supakorn Ukumphan, Palapol Sawatphol, Worawat Sa-ngiamvibool, and Supannika Wattana. “Hybrid PV-Reheat Thermal Power System Automatic Generation Control Using PIDD Controller Based on Hippopotamus Algorithm”. Indochina Applied Sciences 14, no. 3 (October 20, 2025): 263235. accessed September 3, 2026. https://ph01.tci-thaijo.org/index.php/jmsae_ceae/article/view/263235.