1. Institute of Chemistry, Faculty of Natural Sciences and Mathematics Ss. Cyril and Methodius University in Skopje Skopje Republic of North Macedonia
2. Faculty of Natural and Technical Sciences Goce Delčev University Štip Republic of North Macedonia
3. National Conservation Centre Skopje Republic of North Macedonia
4. Department of Chemistry, Faculty of Natural Sciences and Mathematics University of Tetovo Tetovo Republic of North Macedonia
5. Department of Materials Science and Engineering Missouri University of Science and Technology Rolla MO USA
6. Research Center for Environment and Materials Macedonian Academy of Sciences and Arts Skopje Republic of North Macedonia