“THE USE OF NF AND RO MEMBRANE SYSTEM FOR RECLAMATION AND RECYCLING OF WASTEWATERS GENERATED FROM A HARD COAL MINING” (2019) Nigerian Journal of Technology, 38(4), pp. 1048–1055. Available at: https://nijotech.com/index.php/nijotech/article/view/2144 (Accessed: 30 April 2026).