Volume 4, Number 4, 2019

In this issue

(10 articles)
Myroslav Malovanyy, Volodymyr Mozghovyi, Oleksandr Kutsman, Serhii Baran
DOI: https://doi.org/10.23939/ep2019.04.179
pp.179-184
Larysa Hurets, Anastasiia Kotolevets, Hanna Miakaieva, Oleksandr Miakaiev
DOI: https://doi.org/10.23939/ep2019.04.191
pp.191-196