Technical Efficiency of Sugar Industry in Sudan: Stochastic Frontier Approach. University of Khartoum Engineering Journal, [S. l.], v. 5, n. 2, 2022. DOI: 10.53332/kuej.v5i2.1031. Disponível em: https://onlinejournals.uofk.edu/kuej/article/view/1031. Acesso em: 8 jul. 2026.