Orji-Oraemesi, Chidiogo, and Kelechi Longinus Njoku. 2022. “Study of the Time-Efficacy and Rate of Phytoremediation of Crude Oil Polluted Soil by Vigna Unguiculata (L) Walp”. EQA - International Journal of Environmental Quality 48 (1):41-57. https://doi.org/10.6092/issn.2281-4485/14855.