JASKULSKA, Jagoda. Preliminary employment contract – considerations on the background of the subsidiary application of the provisions of the Civil Code based on art. 300 k.p. Studia Iuridica Toruniensia. Online. 18 July 2021. Vol. 27, pp. 93-112. [Accessed 3 July 2024]. DOI 10.12775/SIT.2020.023.