Hanafi, W., and S. Bedrani. “Dea In The Evaluation Of Efficiency Of The Perimeters Of Development In Different Agricultural Regions”. Les Cahiers Du CREAD, Vol. 38, no. 2, June 2022, pp. 297-23, https://revue.cread.dz/index.php/les-cahiers-du-cread/article/view/1350.