Utama, T. Y., and N. Ruhyat. “Analysis of Boiler Efficiency and NPHR With the Use of Sootblower in a 315 MW Coal-Fired Power Plant”. SINTEK JURNAL: Jurnal Ilmiah Teknik Mesin, vol. 18, no. 2, Dec. 2024, pp. 80-89, doi:10.24853/sintek.18.2.80-89.