Comparison of Percentage Removal of Petroleum Hydrocarbon on the Effect of Biostimulant in Polluted Soil Environment Using Chromolaena odorata - Victor Chukwuemeka Ukpaka; Abraham Peter Ukpaka; Joy Chukwuemeka Peter Ukpaka; Chukwuemeka Peter Ukpaka (International Journal of Advance in Molecular Engineering, 2024)