Nurhadi, N, M Ade Andriansyah Efendi, and Sapta Rianda. 2017. “The Utilization of Fixed Bed Coal Gasification By-Products to Produce Combustible Gas by Auto-Thermal Process”. International Journal on Advanced Science, Engineering and Information Technology 7 (5):1964-69. https://doi.org/10.18517/ijaseit.7.5.2104.