1.
Yousfat A, BAHAJI K, SAWS S. Efficiency Evaluation of European Countries Based on Case Fatality Rate of COVID-19 Using Data Envelopment Analysis. International Journal of Business and Social Science Research [Internet]. 2022 Dec. 31 [cited 2024 May 4];3(12):15-22. Available from: https://ijbssrnet.com/index.php/ijbssr/article/view/107