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Language: English
Page range: 5 - 7
Published on: Dec 29, 2017
Published by: Warsaw School of Economics
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year
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© 2017 Adam Szyszka, published by Warsaw School of Economics
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.