1. School of Chemistry and Environment Faculty of Applied Sciences, Universiti Teknologi MARA (UiTM), Negeri Sembilan Branch, Kuala Pilah Campus Kuala Pilah Negeri Sembilan Malaysia
2. Department of Chemistry, Faculty of Science University of Malaya Kuala Lumpur Malaysia
3. Department of Science School of Technology, Pandit Deendayal Petroleum University, Knowledge Corridor Ghandhinagar Gujarat India
4. Department of Chemistry, Faculty of Science Chiang Mai University Chiang Mai Thailand