YORDANOV, A. Administrative regime of vaccination. Law Journal of New Bulgarian University, [S. l.], v. 18, n. 1, p. 82–96, 2022. DOI: 10.33919/ljnbu.22.1.8. Disponível em: https://ojs.nbu.bg/index.php/LJNBU/article/view/665. Acesso em: 5 jun. 2025.