00519naa#a2200169#i#450# EN\\bibl\1979 20241020054846.7 1999-9836 20140310b2014####ek#y0engy0150####ca RUS RU Increasing Labour Productivity is the Most Important Task of Modernizing the Economy of Russia Journal article Moscow All-Russian center of living standards 2014 7 с. Journal article local Kardashevskiy V. naukaru.ru