H. Falfushynska Ternopil V. Hnatiuk National Pedagogical University I.Ya. Horbachevsky Ternopil State Medical University Ukraine
L. Gnatyshyna Ternopil V. Hnatiuk National Pedagogical University I.Ya. Horbachevsky Ternopil State Medical University Ukraine
L. Kopanytsia Ternopil V. Hnatiuk National Pedagogical University Ukraine
L. Romanchuk Ternopil V. Hnatiuk National Pedagogical University Ukraine
O. Stoliar Ternopil V. Hnatiuk National Pedagogical University Ukraine