GUMAA, A. N. .; AL-SAFFORI, A. K. . Deterioration of Biomass Productivity of a Rangeland Area in the White Nile State, Sudan. Journal of Faculty of Education, [S. l.], v. 8, 2021. DOI: 10.53332/jfe.v8i.425. Disponível em: http://onlinejournals.uofk.edu/index.php/JFE/article/view/425. Acesso em: 4 apr. 2025.