00457naa#a2200145#i#450# EN\AUS PUBLISHERS\bibl\5692 20250110015150.5 20211128b2021####ek#y0engy0150####ca RU CLASSIFICATION OF ACRONYMS OF BUSINESS COMMUNICATION Conference article/thesis Melbourne AUS PUBLISHERS 2021 4 с. Conference article/thesis local Bychkova Tatiana Vasilievna w-science.com