00527naa#a2200169#i#450# EN\INFRA-M\bibl\1318 20241101145016.5 2306-627X 20140204b2014####ek#y0engy0150####ca RUS RU Using the methods of correlation and regression analysis to analyze the economic activity of enterprises Journal article Moscow INFRA-M Academic Publishing LLC. 2014 4 с. Journal article local Lyanova Fatima zh-szf.ru