Ejesieme, Vitus O., et al. “Reclamation of Ultra-Fine Coal With Scenedesmus Microalgae and Comprehensive Combustion Property of the Coalgae® Composite”. Journal of Energy in Southern Africa, vol. 31, no. 1, Feb. 2020, pp. 14-27, doi:10.17159/2413-3051/2020/v31i1a6430.