00491naa#a2200169#i#450# EN\\bibl\37698 20260311101150.3 2073-0462 20200602b2020####ek#y0engy0150####ca RU INTEGRAL ASSESSMENT OF LABOR PRODUCTIVITY Journal article Kazan Kazan state agrarian University 2020 6 с. Journal article local Smirnova Elena Anatol'evna Postnova Marina Viktorovna zh-szf.ru