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