1. Faculty of Engineering, School of Civil Engineering, Universiti Teknologi Malaysia, Skudai, Malaysia
2. Building and Construction Engineering, Technical College of Mosul, Northern Technical University, Mosul, Iraq
3. Department of Chemical industry, Mosul Technical institute, Northern Technical University, Mosul, Iraq
4. College of engineering, Department of civil engineering, Universiti Malaysia Pahang, Gambang, Malaysia
5. Department of Highway and Traffic Engineering, Faculty of Civil Engineering and Environmental, University Tun Hussein Onn Malaysia, Batu Pahat, Malaysia
6. Department of Bioprocess and Polymer Engineering, School of Chemical and Energy Engineering, Universiti Teknologi Malaysia, Skudai, Malaysia