Bioaccumulation of Heavy Metals in Fish (Tilapia Zilli and Clarias Gariepinus) Organs from River Benue, North – Central Nigeria. Pakistan Journal of Analytical & Environmental Chemistry, Pakistan, v. 12, n. 1 & 2, p. 25–31, 2011. DOI: 10.21743/. Disponível em: http://pjaec.pk/index.php/pjaec/article/view/400. Acesso em: 3 jul. 2025.