1. Department of Chemistry, Maseno University, Maseno, Kenya
2. Department of Metallurgical and Materials Engineering, Necmettin Erbakan Universitesi, Konya, Turkey
3. Department of Biotechnology, Necmettin Erbakan Universitesi, Turkey
4. Department of Chemistry Education, Necmettin Erbakan Universitesi, Konya, Turkey
5. Department of Environmental Engineering, Necmettin Erbakan Universitesi, Konya, Turkey