KHELASSI ABDEL-ILLAH; REZGUI NOUR ELHOUDA; BESIR LUTFI. Measuring Efficiency of Health Systems in the Eastern Mediterranean Region During COVID-19 Using Data Envelopment Analysis Method (DEA). Journal of North African Economies, [S. l.], v. 19, n. 31, p. 179–188, 2025. Disponível em: https://journals.univ-chlef.dz/index.php/renaf/article/view/477. Acesso em: 10 jul. 2025.