| Affiliation: | 1. Department of Chemistry, Faculty of Science and Arts, King Khalid University, Mohail Assir, KSA;2. Department of Chemistry, Faculty of Science, Al-Azhar University, Cairo, Egypt;3. Department of Chemistry, Faculty of Arts and Science, Northern Border University, Rafha, KSA;4. Department of Chemistry, Faculty of Science and Arts, Taibah University, Ulla, KSA;5. Department of Chemistry, Faculty of Science, Mansoura University, Mansoura, Egypt;6. Department of Chemistry, Faculty of Science, Al-Azhar University, Cairo, Egypt;7. Department of Chemistry, Faculty of Science, Al-Azhar University, Assiut, Egypt |
