00551naa#a2200181#i#450# EN\INFRA-M\bibl\4880 20240505093756.7 2587-9111 20150216b2015####ek#y0engy0150####ca RUS RU Human Capital and Labor Productivity in North Caucasian Federal District of Russia Journal article Moscow INFRA-M Academic Publishing LLC. 2015 4 с. Journal article local Komarova Anna Kalyanov Aleksandr Yur'evich naukaru.ru