Artikel Jurnal
Raisa Afni Afifah, author
Fakultas Kesehatan Masyarakat Universitas Indonesia, 2014
UI - Skripsi (Membership)
Hausman, Kathy A., author
Resource Applications, 1985
Buku Teks
Conway-Rutkowski, Barbara lang
Mosby , 1982
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Carr, Janet H., author
Churchill Livingstone, 2010
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