KALIŃSKI, Janusz. Transformations of the spatial structure of peasant farms in Poland after 1918​ . Kwartalnik Kolegium Ekonomiczno-Społecznego. Studia i Prace, [S. l.], n. 3 (35), p. 121–143, 2018. Disponível em: https://econjournals.sgh.waw.pl/kwes/article/view/1114. Acesso em: 14 nov. 2026.