1. Lecturer, Faculty of Engineering, Brawijaya University, Malang, Indonesia; Ph.D. Candidate, Faculty of Built Environment, Universiti Teknologi Malaysia, Johor DT, Malaysia
2. Associate Professor, Faculty of Built Environment, Universiti Teknologi Malaysia, Johor DT, Malaysia
3. Lecturer, Faculty of Built Environment, Universiti Teknologi Malaysia, Johor DT, Malaysia