00537naa#a2200169#i#450# EN\\bibl\97728 20250420215832.7 2782-1927 20250328b2025####ek#y0engy0150####ca RU New measures of demographic and family policy in Russia: national and regional aspects Journal article Yaroslavl Yaroslavl State Technical University 2025 12 с. Journal article local Berendeeva Alla B. Berendeeva Olga Sergeevna jraic.com