Utilization of BCFS (Biomass Coal Fuel-Sludge) As Substitution of Energy Sources in Industrial Boilers: Pemanfaatan BCFS (Biomass Coal Fuel-Sludge Sebagai Substitusi Sumber Energi di Boiler Industri. PELS [Internet]. 2023 July 7 [cited 2026 Oct. 23];4. Available from: https://pels.umsida.ac.id/index.php/PELS/article/view/1382