00479naa#a2200157#i#450# EN\\bibl\23509 20240429025705.1 2500-3372 20170625b2017####ek#y0engy0150####ca RU LABOR PRODUCTIVITY IMPROVEMENT AS THE MAJOR FACTOR OF ECONOMIC GROWTH Journal article Kemerovo Kemerovo State University 2017 4 с. Journal article local Belchik Tatyana Alekseevna jcenter.kemsu.ru