00644naa#a2200193#i#450# EN\\bibl\42664 20240728073544.7 2073-5537 20210318b2021####ek#y0engy0150####ca RU Modern digital technologies in promoting goods and services Journal article Astrakhan Astrakhan State Technical University 2021 8 с. Journal article local Экономика. Экономические науки. 33 Shendo Maria Vladimirovna Sviridova Elena Viktorovna Gordienko Svetlana O. vestnik.astu.org