Authors
Department of Computer Science in Economics, Faculty of Economics and Sociology University of Lodz, Lodz, Poland
Department of Computer Science, Faculty of Management, University of Lodz, Lodz, Poland
© 2021 Dominika Lisiak-Felicka, Maciej Szmit, published by University of Economics in Katowice
This work is licensed under the Creative Commons Attribution-NonCommercial 4.0 License.