مسلوب محمد. 2026. “MEASURING EFFICIENCY OF THE HEALTHCARE SYSTEM TO FIGHT THE CORONA EPIDEMIC IN A CERTAIN NUMBER OF ARAB COUNTRIES USING THE DATA ENVELOPMENT ANALYSIS MODELS –DEA-”. Human Resources Development Research 17 (01):659-72. https://rdrh.univ-setif2.dz/index.php/rdrh/article/view/307.