1. Razak Faculty of Technology and Informatics, Universiti Teknologi Malaysia Kuala Lumpur, Jalan Sultan Yahya Petra, Kuala Lumpur 54100, Malaysia
2. Kulliyyah of Architecture and Environmental Design, International Islamic University Malaysia, Gombak 53100, Malaysia
3. Department of Engineering and Architectural Studies, Ara Institute of Canterbury, Christchurch 8011, New Zealand