Toepoel, Vera, author
Doing surveys online
SaGE Publications , 2016
 Buku Teks
Dillman, Don A., author
Mail and internet surveys : the tailored design method
John Wiley & Sons, 2000
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The Recall method in social surveys / edited by Louis Moss and Harvey Goldstein
University of London Institute of Education, 1979
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Young, Pauline V., 1896-, author
Scientific social surveys and research : an introduction to the background, content, methods, principles, and analysis of social studies
Prentice-Hall, 1966
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Oral health surveys : basic methods
World Health Organization
World Health Organization, 2013
 Buku Teks
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