ONOUR, Ibrahim. 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://uofkej.uofk.edu/index.php/uofkej/article/view/147. Acesso em: 4 sep. 2025.