1. Faculty of Science and Letters, Department of Physics, Eskişehir Osmangazi University, Eskişehir, Turkey
2. Faculty of Sciences and Letters, Department of Chemistry, Eskişehir Osmangazi University, Eskişehir, Turkey
3. Turkish Standards Institution, Eskişehir Certification Directorate, Eskişehir, Turkey
4. Faculty of Health Sciences, Department of Occupat Health & Safety, Sinop University, Sinop, Turkey