Ernest, Karangwa, Obutec. Gordian, and Ochekwu E. Bernard. 2018. “Phytoremediation Potentials of Guinea Grass (Panicum Maximum) and Velvet Bean (Mucuna Pruriens) on Crude Oil Impacted Soils”. RA Journal Of Applied Research 4 (04):1575-80. https://doi.org/10.31142/rajar/v4i4.05.