1. Institute of Environmental Engineering and Management, Mehran University of Engineering and Technology, Jamshoro, Pakistan
2. Department of Statistics, Faculty of Social Sciences, Sindh Agriculture University, Tandojam, Pakistan
3. College of Plant Sciences and Technology, Huazhong Agricultural University, Wuhan, P. R. China
4. Department of Chemical Engineering, Faculty of Engineering and Science, Curtin University, Miri Sarawak, Malaysia
5. Department of Chemistry, King Fahd University of Petroleum & Minerals, Dhahran, Saudi Arabia