Authors
Jakub Sypniewski
Department of Geography Didactics and Ecological Education, Faculty of Geographical and Geological Sciences, Adam Mickiewicz University in Poznań, Poznań, Poland
© 2019 Jakub Sypniewski, published by Faculty of Geography and Regional Studies, University of Warsaw
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.