Issafira, Radissa Dzaky, Muhammad Daru Fatkhur Rizki, Mokh Ausin Al Qoroni, and Vrischo Candra Kumara Wardana. 2025. “The Effect of Coal and Sawdust Co-Firing on Boiler Efficiency With the Direct and Indirect Calculation Methods at PT PLN Nusantara Power Unit 2”. Jurnal Rekayasa Mesin 20 (2):319-28. https://doi.org/10.32497/jrm.v20i2.6548.