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Tetiana Pantiuk
Drohobych State Pedagogical University named after Ivan Franko
Ukraine
Olena Nevmerzhytska
Drohobych State Pedagogical University named after Ivan Franko
Ukraine
Svitlana Ivakh
Drohobych State Pedagogical University named after Ivan Franko
Ukraine
Lesia Perkhun
Drohobych State Pedagogical University named after Ivan Franko
Ukraine
Maria Yarushak
Drohobych State Pedagogical University named after Ivan Franko
Ukraine