KRZYŻANOWSKI, J. The Problems of Direct Support for Plant Production in the European Union and the United States. Zeszyty Naukowe SGGW w Warszawie - Problemy Rolnictwa Światowego, [S. l.], v. 16, n. 4, p. 196–204, 2016. DOI: 10.22630/PRS.2016.16.4.112. Disponível em: https://prs.sggw.edu.pl/article/view/3489. Acesso em: 3 maj. 2024.