TY JOUR TI DIFFICULTIES OF LANGUAGE ADAPTATION IN THE MULTI-ETHNIC ENVIRONMENT OF THE RUSSIAN FEDERATION (2019-2022): TO THE QUESTION OF THE COMMUNICATIVE BEHAVIOR OF MIGRANTS KW communicative behavior of migrants KW migration KW multiethnic and multicultural environment KW language adaptation KW involvement of migrants in the linguistic and sociocultural environment KW knowledge of the Russian language JO Linguistics & Education AU Maslova, I.B. PY 2022 IS 2 PB Astrakhan State Medical University