“Experimental Investigation of Some Heavy Metals in the Muscle Tissue of Cultured African Catfish (Clarias gariepinus)” (2021) International Journal of Agriculture, Biology & Environment (e-ISSN 2582-6107) DOI: 10.47504/IJAGRI, 2(4), pp. 19–23. doi:10.47504/IJAGRI.2021.5176.