(1)
Kiełbowicz-Dziwulska, A. Control of Labour for one’s Own Employer Within the Meaning of Article 8 Item 2a of the Social Insurance System Act. In The use of atypical forms of employment in violation of labour and social security laws - diagnosis and prospects for the future; Duraj, T., Ed.; , Series Ed.; Law; Lodz University Press: Poland, 2023; pp. 281-296. https://doi.org/10.18778/8331-395-5.23.