U. F. Anikwe, E. J. Okenwa, J. S. E. Ona, C. H. Anikwe, and E. H. Oparaji, “Risk Assessment of Heavy Metal Toxicity and Stress Marker Enzyme in Waste Water from Municipal Dam Site around Enugu Metropolis, Enugu State”, EJAS, vol. 10, no. 4, pp. 716–725, Aug. 2022.