SUGIHARTO, A. Perhitungan Efisiensi Boiler Dengan Metode Secara Langsung pada Boiler Pipa Api. Swara Patra : Majalah Ilmiah PPSDM Migas, [S. l.], v. 10, n. 2, p. 51–57, 2020. DOI: 10.37525/sp/2020-2/260. Disponível em: http://ejurnal.ppsdmmigas.esdm.go.id/sp/index.php/swarapatra/article/view/260. Acesso em: 17 may. 2024.