World Health Organization, 1985
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Lewis Publishers, 1999
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Fitria Estiqomah
Fakultas Teknik Universitas Indonesia, 2015
UI - Skripsi Membership
Pakpahan, Pebriani
Fakultas Kesehatan Masyarakat Universitas Indonesia, 2014
UI - Skripsi Membership
Cantor, Abigail F.
CRC Press, Taylor & Francis Group, 2018
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