Gaya APA
Widiyanti, P. (2018).
Indonesian Journal of Tropical and Infectious Disease Vol.7 No.1 January-April 2018 .
Surabaya:
FKM Unair.
Gaya MLA
Widiyanti, Prihartini.
"Indonesian Journal of Tropical and Infectious Disease Vol.7 No.1 January-April 2018".
Surabaya:
FKM Unair,
2018.
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