SIMEONOVA, G. Changes to the state aid rules in response to the crisis due to the spread of Covid-19. Law Journal of New Bulgarian University, [S. l.], v. 16, n. 2, p. 89–100, 2021. DOI: 10.33919/ljnbu.20.2.4. Disponível em: https://ojs.nbu.bg/index.php/LJNBU/article/view/449. Acesso em: 6 feb. 2023.