1. Department of Chemistry; Gandhi Faiz-E-Aam College; Uttar Pradesh India
2. Department of Chemistry; Eritrea Institute of Technology; Asmara Eritrea, East Africa
3. Department of Chemistry; College of Science; Sultan Qaboos University; Muscat Oman
4. CICECO-Aveiro Institute of Materials; Department of Chemistry; University of Aveiro; Portugal
5. Department of Fundamental and Applied Sciences; Universiti Teknologi Petronas Malaysia; Bandar Seri Iskandar Malaysia
6. School of Industrial Technology; Universiti Sains Malaysia; Penang Malaysia