«Heavy Metal Contamination of African Cat Fish (Clarias gariepinus) from Industrial Effluent and Domestic Waste-contaminated Rivers and Home bred sources in Zaria, Nigeria» (2020) African Journal of Biomedical Research, 23(1), s. 101–105. Tilgjengelig på: https://www.ojshostng.com/index.php/ajbr/article/view/874 (åpnet: 21 mai 2026).