1. Maarif International School—Skopje Campus, Kiro Gligorov 5, 1000 Skopje, North Macedonia
2. Institute of Geography, Faculty of Natural Sciences and Mathematics, Saints Cyril and Methodius University, Arhimedova 3, 1000 Skopje, North Macedonia
3. Department of Physical Geography, Faculty of Geography, University of Belgrade, Studentski trg 3/III, 11000 Belgrade, Serbia
4. Department of Geography, Tourism and Hotel Management, Faculty of Sciences, University of Novi Sad, Trg Dositeja Obradovića 3, 21000 Novi Sad, Serbia