https://www.turmob.org.tr/ekutuphane/
https://www.istanbulkitapcisi.com/
https://kygm.ktb.gov.tr/
https://covid19.saglik.gov.tr/
https://www.who.int/emergencies/diseases/novel-coronavirus-2019
https://www.tide.org.tr/page/438/COVID-19-Kaynaklari