Nwajei, G E, and J U Oruvwuje. “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, no. 6 (December 24, 2001): 333–337. Accessed May 19, 2024. https://v2.pjsir.org/index.php/biological-sciences/article/view/1967.