James, Elaine S.T.
Gramedia, 2004
Buku Teks
Graham & Trotman 1993, 1993
Buku Teks
Zelinski, Ernie J., author
PPM, 2006
Buku Teks
Carlson, Richard, 1961-, author
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Buku Teks
Pierce, Gregory F. A., author
Kanisius, 2006
Buku Teks