1. Research Group ARCK, Faculty of Architecture and Arts, UHasselt, Agoralaan Building E, 3590 Diepenbeek, Belgium
2. School of Architecture, Construction Economics and Management, Ardhi University, Dar es Salaam P.O. Box 35176, Tanzania
3. School of Engineering and Environmental Studies, Ardhi University, Dar es Salaam P.O. Box 35176, Tanzania