”Heavy Metal Contamination of African Cat Fish (Clarias gariepinus) from Industrial Effluent and Domestic Waste-contaminated Rivers and Home bred sources in Zaria, Nigeria”, AJBR, vol. 23, nr 1, s. 101–105, jan. 2020, åtkomstdatum: 06 april 2026. [Online]. Tillgänglig vid: https://ojshostng.com/index.php/ajbr/article/view/874