00604naa#a2200169#i#450# EN\\bibl\122026 20260818090223.2 2687-0185 20260319b2026####ek#y0engy0150####ca RU Adaptation and integration of Russian-speaking migrants in Russia: socio-economic aspects Journal article Moscow Moscow University of the Ministry of Internal Affairs of Russia named after V.Ya. Kikot 2026 10 с. Journal article local Миграция. 314.7 Puhova Nataliya Vasil'evna mosumvd.editorum.ru