PIETRZAK, M. B.; CHRZANOWSKA, M.; WILK, J. ECONOMIC SITUATION OF EASTERN POLAND AND POPULATION MIGRATION MOVEMENT. Metody Ilościowe w Badaniach Ekonomicznych, [S. l.], v. 14, n. 2, p. 148–157, 2013. Disponível em: https://qme.sggw.edu.pl/article/view/3617. Acesso em: 21 maj. 2024.