[1]
Yousfat, A., BAHAJI, .K. and SAWS, S. 2022. 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. 3, 12 (Dec. 2022), 15–22. DOI:https://doi.org/10.47742/ijbssr.v3n12p3.