LOY, Jens-Peter. Vorwort. German Journal of Agricultural Economics, [S. l.], v. 68, n. Supplement2, 2019. DOI: 10.52825/gjae.v68iSupplement2.2150. Disponível em: https://www.tib-op.org/ojs/index.php/gjae/article/view/2150. Acesso em: 22 nov. 2024.