VASHCHYK, M.; SIUDEK, T. Ecological Development of Rural Areas in the European Union Member States in 2000-2012. Zeszyty Naukowe SGGW w Warszawie - Problemy Rolnictwa Światowego, [S. l.], v. 14, n. 4, p. 194–204, 2014. DOI: 10.22630/PRS.2014.14.4.85. Disponível em: https://prs.sggw.edu.pl/article/view/4700. Acesso em: 24 kwi. 2024.