CZUDEC, Adam; ZAJĄC, Dariusz. Agri-environmental programme enforcement as a form of multifunctional agriculture. Annals of Agricultural Economics and Rural Development, [S. l.], v. 97, n. 3, p. 51–60, 2010. DOI: 10.22630/RNR.2010.97.3.32. Disponível em: https://rnr.sggw.edu.pl/article/view/9014. Acesso em: 10 nov. 2026.