author = { Lupu, Dan AND Țigănașu, Ramona },

title = { COVID-19 and the efficiency of health systems in Europe },

publisher = {},

isbn = {2191-1991},

keywords = { COVID-19 , European health systems , Efficiency , Data envelopment analysis (DEA) , Policy recommendations , Aufsatz in Zeitschrift },

year = {2022},

address = { },

url = { http://slubdd.de/katalog?TN_libero_mab2 }