00586naa#a2200169#i#450# EN\\bibl\94612 20250510112037.6 2413-046X 20250228b2025####ek#y0engy0150####ca RU ETHNIC FEATURES OF MIGRATION PROCESSES IN THE TERRITORY OF THE REPUBLIC OF TATARSTAN AFTER THE SECOND HALF OF THE 20TH CENTURY Journal article Moscow Electronic science 2025 13 с. Journal article local Внутренняя миграция. 314.72 Biktimirov Niyaz Minnakhmatovich qje.su