00895naa#a2200217#i#450# EN\AUS PUBLISHERS\bibl\4529 20241128040115.4 20210208b2021####ek#y0engy0150####ca RU ECONOMIC ANALYSIS AS A METHOD FOR DETERMINING THE BUSINESS ACTIVITY OF A PIPELINE OR COUNTRY Conference article/thesis Melbourne AUS PUBLISHERS 2021 4 с. Экономика. 38.03.01 local Conference article/thesis local Экономика. Экономические науки. 33 Экономика. Экономические науки. 65 bbk Общие вопросы экономических наук. 06.01 grnti Shumilina Vera Evgen'evna Boguslav Ekaterina Nikolaevna Chubka Natalia Yurievna auspublishers.com.au