SHUNAEV, Alexey M.; SHUNAEV, Vladimir M. Shadow Economic Activity as a Threat to the Economic Security of Commercial Organizations. Eurasian Integration, [S. l.], n. 2, p. 63–68, 2019. Disponível em: https://eurasian-integration.owebs.ru/article/view/7825. Acesso em: 8 nov. 2026.