Arifin, Jainal, and Firda Herlina. “Analisis Sootblower Terhadap Head Transfer Economizer Pada Boiler”. Jurnal Engine: Energi, Manufaktur, dan Material 6, no. 1 (December 25, 2021): 08–12. Accessed November 22, 2024. https://ejournal.up45.ac.id/index.php/Jurnal_ENGINE/article/view/912.