«An Assessment of Physicochemical Characteristics of Awotan Dumpsite in Ibadan, South Western Nigeria». Nigerian Journal of Physiological Sciences 35, no. 1 (Червень 30, 2020): 101–108. дата звернення Травень 5, 2026. https://ojshostng.com/index.php/njphysiologicalsciences/article/view/575.