Copyright (c) 2015 Anzhela Vitvitska, Iryna Kyrychenko

This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
ISSN 1728-9343 (Print)
ISSN 2411-3093 (Online)
ISSN 1728-9343 (Print)
ISSN 2411-3093 (Online)