Yakubu, M.T., and S.A. Omar. 2019. “Physicochemical Characteristics of Groundwater Samples and Leachate from Gbagede Dumpsite, Amoyo, Kwara State, Nigeria”. Al-Hikmah Journal of Pure and Applied Sciences (AJPAS) 7 (1): 31-37. https://alhikmahuniversity.edu.ng/AJPAS/index.php/journal/article/view/186.