michal.sedlacko@fh-campuswien.ac.at
staronova@fses.uniba.sk
© 2016 Michal Sedlačko, Katarína Staroňová, published by University of Matej Bel in Banska Bystrica, Faculty of EconomicsThis work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.