S’DULLA AHMAD AL- RAWIA, Z.; MOHAMMAD AL- YOUZBAKY, S. Estimating the Economic Efficiency and Implications for Wheat Farms under the Supplementary Irrigation System Using )DEA). College of Basic Education Research Journal, [S. l.], v. 16, n. 4, p. 985–1002, 2020. DOI: 10.33899/berj.2020.167257. Disponível em: https://jeh.uomosul.edu.iq/index.php/berj/article/view/38515. Acesso em: 27 oct. 2025.