POPKIEWICZ, Józef. Economy of Silesia under the Rule of German Capitalists. Studia Historiae Oeconomicae, [S. l.], v. 4, n. 1, p. 81–98, 1970. DOI: 10.14746/sho.1970.04.1.005. Disponível em: https://pressto.amu.edu.pl/index.php/sho/article/view/57052. Acesso em: 14 oct. 2026.