ASSESSMENT OF EFFECT OF SANDMINING ACTIVITIES ON PHYSICOCHEMICAL PROPERTIES AND METAL CONCENTRATIONS OF SURFACE WATER OF WARRI RIVER, NIGER DELTA, NIGERIA. FJS [Internet]. 2023 Mar. 30 [cited 2025 Sep. 8];3(1):72-83. Available from: https://fjs.fudutsinma.edu.ng/index.php/fjs/article/view/1429