„Heavy Metals Contamination in Water, Soil and Plant Samples of Okomu National Park, Edo State, Nigeria“, AJBR, Bd. 23, Nr. 1, S. 29–34, Jan. 2020, Zugegriffen: 10. Juni 2026. [Online]. Verfügbar unter: https://ojshostng.com/index.php/ajbr/article/view/859