RUNOWSKI, Henryk. Organic farming – progress or regress?. Annals of Agricultural Economics and Rural Development, [S. l.], v. 96, n. 4, p. 182–193, 2009. DOI: 10.22630/RNR.2009.96.4.81. Disponível em: https://rnr.sggw.edu.pl/article/view/8973. Acesso em: 10 nov. 2026.