E. U. Ezeji, C. O. Anyanwu, and N. C. D. Ukwandu. 2019. “Evaluation of Heavy Metals and Physicochemical Parameters of Oil-Contaminated Soil and Water Samples from Bonny, South-South, Nigeria”. Archives of Current Research International 19 (2):1–11. https://doi.org/10.9734/acri/2019/v19i230152.