00518naa#a2200169#i#450# EN\INFRA-M\bibl\10625 20260211010135.3 2587-9111 20160218b2016####ek#y0engy0150####ca RUS RU Cluster Analysis in the Study of the Level of Human Capital Development in the Russian Regions Journal article Moscow INFRA-M Academic Publishing LLC. 2016 2 с. Journal article local Komarova Anna naukaru.ru