SOLGA, Brygida. Return Migrations in Opolskie Voivodship — Their Character and Importance for the Development of the Region. Regional Barometer. Analyses & Prognoses, [S. l.], v. 11, n. 3, p. 99–107, 2013. DOI: 10.56583/br.1118. Disponível em: https://czaz.akademiazamojska.edu.pl/index.php/br/article/view/1118. Acesso em: 2 jun. 2025.