Umi Narimawati, author
Gava Media, 2008
Buku Teks
Teguh W., author
Gava Media, 2004
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Field, Andy, author
Sage Publications, 2009
Buku Teks
Field, Andy P, author
Sage Publications, 2018
Buku Teks
Coakes, Sheridan J., author
John Wiley & Sons, 2003
Buku Teks