00517naa#a2200169#i#450# EN\RIOR\bibl\42527 20250414174937.1 2500-1469 20210414b2021####ek#y0engy0150####ca RU REGIONAL FEATURES OF SMALL BUSINESS DEVELOPMENT IN MODERN CONDITIONS Journal article Moscow Publishing Center RIOR 2021 4 с. Journal article local Mizyakina Ol'ga Borisovna Muravleva Tatyana Vitalievna riorpub.com