00637naa#a2200193#i#450# EN\INFRA-M\bibl\30276 20240423110516.2 2587-9111 20190903b2019####ek#y0engy0150####ca RUS RU The Problem of Labor Productivity Factors in the Regions of Modern Russia Journal article Moscow INFRA-M Academic Publishing LLC. 2019 4 с. Journal article local Экономика. Экономические науки. 33 RUS Basovskiy Leonid Efimovich Basovskaya Elena Nikolaevna naukaru.ru