Khelassi Abdel-illah, Rezgui Nour Elhouda and Besir Lutfi (2025) “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(31), pp. 179–188. Available at: https://journals.univ-chlef.dz/index.php/renaf/article/view/477 (Accessed: 9 July 2025).