1. Department of Chemistry, Faculty of Science , University of Sarajevo , Zmaja od Bosne 33-35 , 71000 Sarajevo , Bosnia and Herzegovina
2. Faculty of Metallurgy and Technology , University of Montenegro , Dzordza Vasingtona bb , 81000 Podgorica , Montenegro
3. Department of Biology, Faculty of Science , University of Sarajevo , Zmaja od Bosne 33-35 , 71000 Sarajevo , Bosnia and Herzegovina