DURAJ, Tomasz (RED.). In Search of a Legal Model of Self-Employment in Poland: A Comparative Legal Analysis. Part II. Poland: Wydawnictwo Uniwersytetu Łódzkiego,2024. DOI: 10.18778/8331-526-3. Disponível em: https://www.press.uni.lodz.pl/index.php/wul/catalog/book/1019. Acesso em: 12 luty. 2026.