00672naa#a2200169#i#450# EN\\bibl\42080 20240602010333.7 2308-8877 20210131b2021####ek#y0engy0150####ca RU SYSTEMATIZATION OF THEORETICAL APPROACHES TO THE CLASSIFICATION OF INTEGRATION ASSOCIATIONS IN BUSINESS Journal article Voronezh FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov 2021 10 с. Journal article local Экономика. Экономические науки. 33 Androsova I. V. anni.editorum.ru