Vol-2860⫷ Vol-2861 ⫸Vol-2862
urn:nbn:de:0074-2861-0


Vol-2861/paper_27⫷Vol-2861/paper_28⫸Vol-2861/paper_29
Natalia KononovaTatyana GrobovaYana AgakhanovaLiza Elkanova

Practice of Transition to Distance Learning Format