IVANOV, Bozhidar. Approach for Risk Assessment in Agriculture. Example from African swine fever in Bulgaria. Bulgarian Journal of Agricultural Economics and Management, Sofia, BG, v. 65, n. 4, p. 23–32, 2020. Disponível em: https://agriacad.eu/ojs/index.php/bjaem/article/view/2434.. Acesso em: 4 nov. 2026.