Херсонський державний університет
Kherson State University · Sapere aude! · засновано 1917
Aleksander Spivakovskiy, Lyubov Petukhova, Evgeniya Spivakovska, Vera Kotkova, Hennadiy Kravtsov. Comparative Analysis of Learning in Three-Subjective Didactic Model. http://ceur-ws.org/Vol-1000/