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Buku Teks
Clive, Seale, Giampietro Gobo, Jaber F. Gubrium, David Silverman
Sage Publications, 2008
Buku Teks
Columbia University Press, 1994
Buku Teks
Silverman, David, author
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Buku Teks
Patton, Michael Quinn, author
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Buku Teks