Azorji, Johnpaul Nnawuike, Angela Chidiogo Udebuani, Charles Ekene Igwe, Michael Oluchukwu Nwachukwu, Chibuike Udodi Nwachukwu, Peter Odinaka Nzenwa, and Moses Chukwuebuka Igbokwe. 2023. “Phytoaccumulation Potentials of Three Indigenous Plant Species Grown in Used Engine Oil Polluted Soil”. Faculty of Natural and Applied Sciences Journal of Scientific Innovations 5 (2). Port Harcourt, Nigeria:17-29. https://fnasjournals.com/index.php/FNAS-JSI/article/view/216.