1. Sustainable Resource Mission Oriented Research (SUREMOR) Center, Universiti Teknologi PETRONAS, 32610 Bandar Seri Iskandar, Perak, Malaysia, Tel.
2. Department of Chemical Engineering, Universiti Teknologi PETRONAS, 32610 Bandar Seri Iskandar, Perak, Malaysia, Tel.
3. Department of Civil and Environmental Engineering, Universiti Teknologi PETRONAS, 32610 Bandar Seri Iskandar, Perak, Malaysia, Tel.