Contact
Publisher: OVS LLC
Legal address: maidan Kostytutsii 18, office 11, Kharkiv, 61003, Ukraine
Mailing address: P. O. Box 4529, Kharkiv, 61022, Ukraine
Principal Contact
Oleg Khudolii
H. S. Skovoroda Kharkiv National Pedagogical University
Support Contact
Olga Ivashchenko