Roman Prots
Drohobych Ivan Franko State Pedagogical University, Drohobych, Ukraine
Ukraine
Volodimir Yakovliv
Vinnytsia Mykhailo Kotsiubinskyi State Pedagogikal University, Vinnytsia, Ukraine
Ukraine
Serhii Medynskyi
Bogdan Khmelnitsky Melitopol State Pedagogical University, Melitopol, Ukraine
Ukraine
Roman Kharchenko
Sumy National Agrarian University, Sumy, Ukraine
Ukraine
Tetiana Hryb
Sumy National Agrarian University, Sumy, Ukraine
Ukraine
Tetiana Klymenchenko
Sumy National Agrarian University, Sumy, Ukraine
Ukraine
Serhii Ihnatenko
National Pedagogical Dragomanov University, Kyiv, Ukraine
Ukraine
Iryna Buzhyna
South Ukrainian National Pedagogical University named after K. D. Ushynsky, Odesa, Ukraine
Ukraine
Borys Maksymchuk
Izmail State University of Humanities, Izmail, Ukraine
Ukraine