00728naa#a2200193#i#450# EN\\bibl\120455 20260419174737.7 2782-4586 20260331b2026####ek#y0engy0150####ca RU Shadow economic activity of multinational corporations: operational models and mechanisms of resilience (using the example of Grupo SURA) Journal article Moscow ITBO University 2026 14 с. Journal article local Экономические науки в целом. Политическая экономия. 330 Naumova Ol'ga Aleksandrovna Ananyev Lev Borisovich Korolev Andrey Andreevich zhpi.ru