NACHTMAN, Grażyna. PRODUCTION-ECONOMIC PERFORMANCE OF ORGANIC FARMS IN THE YEAR 2013. Annals of Agricultural Economics and Rural Development, [S. l.], v. 102, n. 3, p. 78–90, 2015. DOI: 10.22630/RNR.2015.102.3.29. Disponível em: https://rnr.sggw.edu.pl/article/view/8679. Acesso em: 11 nov. 2026.