About this article
Published Online: Oct 08, 2019
Page range: 559 - 566
Received: Apr 17, 2019
Accepted: May 28, 2019
DOI: https://doi.org/10.2478/cqpi-2019-0075
Keywords
© 2019 Ľuboslav Dulina et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
Dulina, Ľuboslav
University of ŽilinaSlovakia
Bigošová, Eleonóra
University of ŽilinaSlovakia
Barbušová, Miroslava
University of ŽilinaSlovakia
Gašo, Martin
University of ŽilinaSlovakia
Šeligová, Michala
University of ŽilinaSlovakia