https://cibreo.com/fresh-news
https://library.ipmi.ac.id/
https://digilib.unis.ac.id/akasia/
https://keas.uodiyala.edu.iq/
https://random.polindra.ac.id/
https://library.stiami.ac.id/
https://opac.interior.isi.ac.id/
https://cibumscientia.umsa.bo/

Gaya APA

Nugrahaeni, D, K. (2016). Konsep Dasar Epidemiologi . Jakarta: EGC.

Gaya MLA

Nugrahaeni, Dyan, Kunthi. "Konsep Dasar Epidemiologi". Jakarta: EGC, 2016. Text.