SOUAR, Y. et al. 2014. Relative efficiency measurement of the educational schools from the perspective of data envelopment analysis (DEA) -case study: Educational schools in Saida of Wilaya-Ageria. International Journal for Innovation Education and Research. 2, 12 (Dec. 2014), 1–13. DOI:https://doi.org/10.31686/ijier.vol2.iss12.280.