YEGOROVA-GUDKOVA, T.; BOJKO, M.; NEUSTROIEV, Y.; KHOSTASH, O.; PAN, L.; SHEPITKO, H.; BELOBORODKO, V.; ZVIRKOV, O.; KIRILINA, M.; MATJUKHINA, I. Development of an innovative methodology of research of systems on an example of a shadow economy as an invariant of system of economic security of state. Technology audit and production reserves, [S. l.], v. 4, n. 4(60), p. 41–45, 2021. DOI: 10.15587/2706-5448.2021.239035. Disponível em: https://journals.uran.ua/tarp/article/view/239035. Acesso em: 29 nov. 2024.