JEZIERSKI, Andrzej; LANDAU, Zbigniew. The Directions of the Economic Development of People’s Poland in the Years 1944-1969. Studia Historiae Oeconomicae, [S. l.], v. 5, n. 1, p. 329–350, 1970. DOI: 10.14746/sho.1970.05.1.021. Disponível em: https://pressto.amu.edu.pl/index.php/sho/article/view/57495. Acesso em: 14 oct. 2026.