00503naa#a2200169#i#450# EN\INFRA-M\bibl\4176 20250412014848.6 2587-9111 20141217b2014####ek#y0engy0150####ca RUS RU Human Capital and Labor Productivity in the North-West Federal District of Russia Journal article Moscow INFRA-M Academic Publishing LLC. 2014 2 с. Journal article local Komarova Anna zh-szf.ru