Authors
Mariusz Kluska
Institute of Chemistry, Siedlce University of Natural Sciences and Humanities, Siedlce, Poland
Anna Marciniuk-Kluska
Faculty of Management, University of Natural Sciences and Humanities, Siedlce, Poland
© 2014 Mariusz Kluska, Anna Marciniuk-Kluska, published by University of Gdańsk
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.