About this article
Published Online: Mar 03, 2015
Page range: 67 - 80
Received: May 06, 2014
Accepted: Sep 12, 2014
DOI: https://doi.org/10.2478/aoas-2014-0074
Keywords
© by Jolanta Różańska-Zawieja
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
Sobek, Zbigniew
Różańska-Zawieja, Jolanta
Nienartowicz-Zdrojewska, Anna
Dybionka, Beata