GAJOS, E. Implementation of Selected Sustainable Development Objectives in European Union Countries. Zeszyty Naukowe SGGW w Warszawie - Problemy Rolnictwa Światowego, [S. l.], v. 17, n. 4, p. 68–77, 2017. DOI: 10.22630/PRS.2017.17.4.82. Disponível em: https://prs.sggw.edu.pl/article/view/2916. Acesso em: 28 grudz. 2024.