KOCJAN AČKO, Darja. Hop fields in crop rotation. Acta agriculturae Slovenica, Ljubljana, SI, v. 95, n. 1, p. 61–67, 2010. DOI: 10.14720/aas.2010.95.1.14801. Disponível em: https://journals.uni-lj.si/aas/article/view/14801. Acesso em: 13 jul. 2025.