ZALKUWI, J.; SINGH, R.; SINGH, O. P. Assessment of Technical Efficiency of Sorghum Production in Adamawa State, Nigeria. Asian Journal of Agriculture and Food Sciences, [S. l.], v. 2, n. 6, 2014. Disponível em: https://ajouronline.com/index.php/AJAFS/article/view/1959. Acesso em: 24 apr. 2024.