%0 Journal Article %T Interaction of Medium and Small Business Structures of the Region with Large Companies As a Form of Survival in Difficult Economic Conditions %A Mahmudova, M.M. %K small business, entrepreneurship, medium business, Tyumen region, integration, strategic partnership, interaction %J Scientific Research and Development. Economics %D 2021 %N 9 %P 4 %I INFRA-M Academic Publishing LLC.