1. Department of Chemistry, University College in Al-Jamoum, Umm Al-Qura University, 21955 Makkah, Saudi Arabia
2. Department of Chemistry, Turabah University College, Taif University, Taif, Saudi Arabia
3. Chemistry Department, Faculty of Science, Benha University, Benha, Egypt
4. Department of Chemistry, High Institute of Applied Science & Technology of Monastir, Monastir, Tunisia