00475naa#a2200169#i#450# EN\\bibl\1032 20241102021931.6 1999-9836 20140123b2014####ek#y0engy0150####ca RUS RU Actual Problems of Improvement of Labour Productivity Journal article Moscow All-Russian center of living standards 2014 2 с. Journal article local Pashin Nikolay zh-szf.ru