Authors
Inna Shkolnyk
Sumy State University, Ukraine
Olha Kremen
Kyiv National University of Technologies and Design, Ukraine
© 2019 Viktoriia Kremen, Inna Shkolnyk, Andrii Semenog, Olha Kremen, published by Faculty of Economic Sciences, University of Warsaw
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.