Prastyo, Elli, Tegar Regi Setiawan, and Farkhatus Solikha. “Analysis of Combustion Quality on Auxiliary Boiler Performance Using Heat Loss Method”. Research in Chemical Engineering 4, no. 2 (October 6, 2025). Accessed July 5, 2026. http://ejournal.ump.ac.id/index.php/rice/article/view/300.