„Heavy Metals Contamination in Water, Soil and Plant Samples of Okomu National Park, Edo State, Nigeria”, AJBR, vol. 23, nr. 1, pp. 29–34, ian. 2020, Data accesării: 6 iunie 2026. [Online]. Disponibil la: https://ojshostng.com/index.php/ajbr/article/view/859