Benedict, J., Nasir, M. M., Ndikilar, C. E., Moses, G., Gaima, D. K., & Dankawu, M. (2022). Characterization of some Nigerian coal for effective power generation and industrial utility. Dutse Journal of Pure and Applied Sciences, 8(1b), 117–125. https://doi.org/10.4314/dujopas.v8i1b.14