Wijaya, Adi Apriyanto, and Budi Utomo Kukuh Widodo. “The Effect of Feedwater Heaters Operation Schemes to a 200 MW Steam Power Plant Heat Rate Using Cycle-Tempo Software”. IPTEK The Journal of Engineering, vol. 4, no. 3, Sept. 2025, pp. 33-37, https://journal.its.ac.id/index.php/joe/article/view/8029.