1. Faculty of Environmental Management, Prince of Songkla University, Songkhla, Thailand
2. Department of Chemical Sciences, University of Africa, Toru-Orua, Nigeria
3. Department of Chemistry, Federal University of Petroleum Resources, Effurun, Nigeria
4. Institute of Geosciences and Environmental Management, Rivers State University, Port Harcourt, Nigeria
5. Department of Environmental Management and Toxicology, Federal University of Petroleum Resources, Effurun, Nigeria