About this article
Published Online: Oct 08, 2019
Page range: 101 - 109
Received: Mar 30, 2019
Accepted: May 08, 2019
DOI: https://doi.org/10.2478/cqpi-2019-0014
Keywords
© 2019 Agnieszka Puto, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
Puto, Agnieszka
Czestochowa Technical UniversityPoland