1. Department of Quantity Surveying, Auchi Polytechnic, Auchi, Nigeria
2. Development Planning and Management, School of Social Sciences, Universiti Sains Malaysia, Gelugor, Malaysia
3. Department of Construction Management and Quantity Surveying, University of Johannesburg, Johannesburg, South Africa
4. Department of Urban and Regional Planning, Federal University of Technology, Owerri, Nigeria
5. Institute of Management, Port Harcourt, Nigeria