Friis, R. H. (2018). Epidemiologi 101. penerbit ANDI.
Chicago Style CitationFriis, Robert H. Epidemiologi 101. penerbit ANDI, 2018.
MLA CitationFriis, Robert H. Epidemiologi 101. penerbit ANDI, 2018.
Warning: These citations may not always be 100% accurate.