1. Department of Quantity Surveying, Auchi Polytechnic, Auchi, Nigeria
2. Department of Construction Management and Quantity Surveying, University of Johannesburg, Johannesburg, South Africa
3. School of Social Sciences, Universiti Sains Malaysia, Pulau Pinang, Malaysia
4. Nigerian Institute of Management, Port Harcourt, Nigeria
5. Department of Quantity Surveying Department, Delta State University of Science and Technology, Ozoro, Nigeria
6. Department of Quantity Surveying, University of Benin, Nigeria