1. Department of Chemistry, Faculty of Science; Universiti Teknologi Malaysia; Johor Bahru Johor Malaysia
2. Centre for Environmental Sustainability and Water Security (IPASA), Research Institute for Sustainable Environment; Universiti Teknologi Malaysia; Johor Bahru Johor Malaysia
3. Department of Environmental Engineering, Faculty of Civil Engineering; Universiti Teknologi Malaysia; Johor Bahru Johor Malaysia
4. Department of Chemistry; Sri Venkateswara University; Tirupati India