1. Centre for Environmental Management and Control (CEMAC), University of Nigeria (UNN), Enugu 410001, Nigeria
2. Department of Surveying and Geoinformatics, Enugu State University of Science and Technology (ESUT), PMB 01660, Enugu 402004, Nigeria
3. Department of Management and Management Science, Lubin School of Business, Pace University, 1 Pace Plaza, New York, NY 10038, USA