NIEMCZYK, M. Stanisław Sagan, Viktoriya Serzhanova, Science on a Contemporary State, III expanded edition, Wydawnictwo LexisNexis, Warszawa 2013, pp. 298. Ius et Administratio, [S. l.], n. 3, p. 151–155, 2013. Disponível em: https://journals.ur.edu.pl/iuseta/article/view/9675. Acesso em: 12 nov. 2026.