PENEVA, L. Surogacy – challenge to the legislation of the Republic of Bulgaria. Law Journal of New Bulgarian University, [S. l.], v. 16, n. 3, p. 31–47, 2021. DOI: 10.33919/ljnbu.20.3.3. Disponível em: https://ojs.nbu.bg/index.php/LJNBU/article/view/533. Acesso em: 27 jan. 2023.