Ramona Safitri, Samadhi TW, Wulandari W. Thermochemical Study of Combustion Behavior and Ash of Hybrid Coal. IGSC [Internet]. 2025 Oct. 29 [cited 2026 Sep. 15];5(1). Available from: https://gcs.itb.ac.id/proceeding-igsc/index.php/igsc/article/view/747