2023. Measuring Efficiency of the Faculties and Institutes of the University of M’Sila Using DEA Data Envelopment Analysis Method Applied Study of the Academic Year: 2020/2021. Alijtihed Journal on Legal and Economic Studies. 12, 01 (Jan. 2023), 470–487. DOI:https://doi.org/10.36540/5n28b416.