Panggabean PH, Siregar S. Analisis Binary Circle in Geothermal Power plant dengan Pemasangan Preheater Sarulla Operations. Ltd. JIP [Internet]. 2022 Dec. 7 [cited 2025 Jul. 4];2(1). Available from: https://jurnal.unimed.ac.id/2012/index.php/jip/article/view/26869