Economic Emigration from Poland to Latvia in 1928–1939. Latvijas Universitātes Žurnāls Vēsture, Riga, Latvia, n. 15, p. 15–29, 2023. DOI: 10.22364/luzv.15.01. Disponível em: https://journal.lu.lv/luzv/article/view/596.. Acesso em: 16 apr. 2025.