Oral health surveys : basic methods
World Health Organization
World Health Organization, 2013
 Buku Teks
How to conduct in-person interviews for surveys
Sabine Mertens Oishi
Thousand Oaks : SAGE PUBLIKATION, 2003,
 Buku Referensi
Analysis of pesticides in food and environmental samples
edited by Jose L. Tadeo
CRC Pres, 2008
 Buku Teks
Oxford surveys on eukaryotic genes/edited by Norman Maclean
University Oxford Press , 1984"
 Buku Teks
Yates, Frank
Sampling methods for censuses and surveys / Frank Yates
Macmillan Publishing Co., 1981
 Buku Teks
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