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Diakses pada 24 Agustus 2020Newscientist. https://www.newscientist.com/article/mg17223184-000-did-bubonic-plague-really-cause-the-black-death/
Diakses pada 24 Agustus 2020Live Science. https://www.livescience.com/what-was-the-black-death.html
Diakses pada 24 Agustus 2020CDC. https://www.cdc.gov/plague/faq/index.html#whatDiakses pada 25 Agustus 2020