Siriruchatapong, M., D. Direcksataporn, and D. Theerakulpisut. “A Mathematical Model of Nam Phong Combined Cycle Power Plant”. Engineering and Applied Science Research, vol. 23, no. 1, Apr. 2013, pp. 77-102, https://ph01.tci-thaijo.org/index.php/easr/article/view/8080.