%0 Journal Article %T Investigating the main drivers of COVID-19 outbreak challenges in metropolis management: a case study of Mashhad, Iran %A Janparvar, Mohsen %A کامران جعفرپور قله تیموری %A Bahramijaf, Sajed %A میرنجف موسوی %J Discover Health Systems %@ 2731-7501 %D 2025