KIEŁBOWICZ-DZIWULSKA, Agnieszka. Control of labour for one’s own employer within the meaning of Article 8 item 2a of the Social Insurance System Act. 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. 281–296. DOI: 10.18778/8331-395-5.23. Disponível em: https://press.uni.lodz.pl/index.php/wul/catalog/book/785/chapter/1882. Acesso em: 29 jan. 2026.