Calculation of High Pressure Heater Efficiency in the Feedwater System of PT PLN IP Teluk Sirih Unit 2 Steam Power Plant. Vomek [Internet]. 2026 Feb. 28 [cited 2026 Apr. 17];8(1):13-25. Available from: http://vomek.ppj.unp.ac.id/index.php/vomek/article/view/928