World Health Organization. Regional Office for Europe. (2020). COVID-19 situation in the region: Total reports [electronic resource]. WHO Regional Office for the Eastern Mediterranean.
Chicago-viite (17. p.)World Health Organization. Regional Office for Europe. COVID-19 Situation in the Region: Total Reports [electronic Resource]. Cairo: WHO Regional Office for the Eastern Mediterranean, 2020.
MLA-viite (9. p.)World Health Organization. Regional Office for Europe. COVID-19 Situation in the Region: Total Reports [electronic Resource]. WHO Regional Office for the Eastern Mediterranean, 2020.
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