Chidi, O. ., Uzoma, A. ., Okwoli, A. ., Tereze, A. . and Joseph, O. . (2021) “Efficacy of Urena lobata in Phytoremediation of Spent Engine Oil Polluted Soil”, American Journal of Environment Studies, 4(2), pp. 14 - 27. doi: 10.47672/ajes.807.