Akpan, S. Udeme, and U. Umana. “Characterization of Physico-Chemical Properties and Heavy Metal Concentrations of Surface Water Receiving Effluent from Champion Breweries Plc in Uyo, Akwa Ibom State, Nigeria”. Global Sustainability Research, vol. 1, no. 1, Aug. 2022, pp. 5-13, doi:10.56556/gssr.v1i1.298.