DOI: https://doi.org/10.2478/pjct-2014-0012 | Journal eISSN: 3072-0389
Language: English
Page range: 70 - 74
Published on: Mar 25, 2014
Published by: West Pomeranian University of Technology, Szczecin
In partnership with: Paradigm Publishing Services
Publication frequency: Volume open
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© 2014 Grzegorz Schroeder, Joanna Kurczewska, published by West Pomeranian University of Technology, Szczecin
This work is licensed under the Creative Commons License.