1. Department of Architecture Kano State University of Science and Technology (KUST) Kano Nigeria
2. cidb Centre of Excellence and Sustainable Human Settlement and Construction Research Centre, Faculty of Engineering and the Built Environment University of Johannesburg Johannesburg South Africa
3. University College of Estate Management (UCEM) Reading UK
4. School of Construction Economics and Management University of Witwatersrand Braamfontein 2000 Johannesburg South Africa
5. Department of Quantity Surveying Federal University of Technology Akure Nigeria