1. Middle east respiratory syndrome coronavirus (mers cov): an emerging pathogen;Ahasan;J. Med.,2013
2. Covid-19 Mortality and Contemporaneous Air Pollution, Tech. Rep., CESifo Working Paper;Austin,2020
3. Pearson correlation coefficient;Benesty,2009
4. S. Carozzi, Felipe nad Provenzano, S. Roth, 2020. Urban density and Covid-19. https://www.iza.org/publications/dp/13440/urban-density-and-covid-19.
5. Air pollution exposure and covid-19;Cole,2020