« Measuring Efficiency of Health Systems in the Eastern Mediterranean Region During COVID-19 Using Data Envelopment Analysis Method (DEA) ». Journal of North African Economies 19, no. 31 (juillet 3, 2025): 179–188. Consulté le octobre 22, 2026. https://journals.univ-chlef.dz/index.php/renaf/article/view/477.