BAZITOV, Rumen; ENCHEV, Stanimir; STOYANOVA, Antonia. Economic assessment of different irrigation regimes in sudan grass as a second crop. Bulgarian Journal of Agricultural Science, Sofia, BG, v. 26, n. 6, p. 1179–1182, 2020. Disponível em: https://agriacad.eu/ojs/index.php/bjas/article/view/2464.. Acesso em: 4 nov. 2026.