BALMANN, Alfons; CZASCH, Britta. On the efficiency of farms in Brandenburg - A data envelopment analysis. German Journal of Agricultural Economics, [S. l.], v. 50, n. 3, 2001. DOI: 10.52825/gjae.v50i3.1460. Disponível em: https://www.tib-op.org/ojs/index.php/gjae/article/view/1460. Acesso em: 23 nov. 2024.