ASSESSMENT OF HEAVY METALS IN. CLARINS BUTHOPOGON (FISH) PARTS AND NYMPHAEA LOTUS (AQUATIC PLANT) IN RIVER NIGER, DELTA STATE OF NIGERIA. (2001). Biological Sciences - PJSIR, 44(6), 333-337. https://www.v2.pjsir.org/index.php/biological-sciences/article/view/1967