Technical and Economic Efficiency of Sorghum Production under rain-fed semi-mechanized farming system of Gadarif State, Sudan. المجلة الدولية للبحوث العلمية, [S. l.], v. 4, n. 6, 2025. DOI: 10.59992/IJSR.2025.v4n6p11. Disponível em: https://vsrp.co.uk/index.php/ijsr/article/view/1341. Acesso em: 2 يوليو. 2026.