Iqba1, A., M. Ali, R. Sultana, K. Towheed, M. U. Naeem, and M. Ali Karim. “Purification of Crude Glycerol Recovered From Fish Processing Waste Biodiesel Process: Purification of Crude Glycerol Recovered From Fish Processing Waste Biodiesel Process”. International Journal of Economic and Environmental Geology, vol. 15, no. 2, Oct. 2024, pp. 1-8, http://econ-environ-geol.org/index.php/ojs/article/view/258.