“INVESTIGATING THE PHOTOCATALYTIC DEGRADATION OF EMERGING PHARMACEUTICAL POLLUTANTS IN NIGERIAN SURFACE WATERS USING LOCALLY SOURCED CLAY-BASED NANOMATERIALS” (2026) International Journal of Functional Research in Science and Engineering (IJFRSE), 3(4), pp. 46–58. Available at: https://www.journalfrse.org.ijasvote-fce.org/journal/article/view/101 (Accessed: 15 June 2026).