Nwachukwu, Chike Pius, et al. “Evaluating the Impact of the Microbial Properties of Dumpsites Leachate on Groundwater Quality in Awka, Anambra State and Its Environs”. Engineering for Sustainable Development, vol. 2, no. 1, Feb. 2026, pp. 46-55, http://esdjournal.id/index.php/esd/article/view/23.