Onah, Ikechukwu. “HEAVY METAL CONCENTRATIONS IN THE WATER AND FISH MUSCLES OF LAKES OGELUBE AND OJII IN SOUTHEASTERN NIGERIA”. Polish Journal of Natural Sciences 38, no. 1 (October 5, 2023). Accessed August 24, 2024. https://czasopisma.uwm.edu.pl/index.php/pjns/article/view/8093.