Jankowiak, Stanisław. “Socialist Exploitation of the Worker in the First Half of the 1950s: A Case Study of the H. Cegielski Industry Plant in Poznań”. Studia Historiae Oeconomicae, vol. 42, no. 2, Dec. 2024, pp. 153-76, doi:10.14746/sho.2024.42.2.007.