1. Municipal Institution "Balta Pedagogical Vocational College", Balta, Ukraine.
2. Lesya Ukrainka Volyn National University, Lutsk, Ukraine.
3. Ternopil National Pedagogical Volodymyr Hnatiuk, Ternopil, Ukraine.
4. Bohdan Khmelnytsky National University of Cherkasy, Cherkasy, Ukraine.