STANKOV, Konstantin. Comparative Analysis of Main Economic Indicators of Cattle Breeding Farms of Different Classes. Bulgarian Journal of Agricultural Economics and Management, Sofia, BG, v. 65, n. 3, p. 68–74, 2020. Disponível em: https://agriacad.eu/ojs/index.php/bjaem/article/view/2705.. Acesso em: 17 oct. 2026.