BRZOSTEK, Krzysztof. Law effectiveness criteria in consideration of unusual/atypical forms of employment. In: DURAJ, Tomasz (ed.). The use of atypical forms of employment in violation of labour and social security laws - diagnosis and prospects for the future. LawPoland: Lodz University Press,2023. p. 29–42. DOI: 10.18778/8331-395-5.03. Disponível em: https://www.press.uni.lodz.pl/index.php/wul/catalog/book/785/chapter/1862. Acesso em: 14 feb. 2026.