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Copyright (c) 2018 Anastasiia Tokar, Liudmyla Matenchuk, Zinaida Kharchenko, Iryna Haidai, Nadiia Zahorko, Vira Tarasenko, Valentуna Verkholantseva, Nadiia Palianychka, Inna Povorozniuk, Lesia Kravchenko

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This work is licensed under a Creative Commons Attribution 4.0 International License.

ISSN 2504-5695 (Online), ISSN 2504-5687 (Print)