Authors
bartlomiej.jablonski@ue.katowice.pl
University of Economics in Katowice, College of Finance, Department of Investment, Katowice, Poland
bartlomiej.jablonski@ue.katowice.pl
© 2020 Bartłomiej Jabłoński, published by University of Szczecin
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.