ROLFES, M. Die Betriebswirtschaftliche Beratung in Deutschland. Agricultural and Food Science, [S. l.], v. 29, n. 1, p. 69–74, 1957. DOI: 10.23986/afsci.71434. Disponível em: https://journal.fi/afs/article/view/71434. Acesso em: 7 jul. 2024.