Scott, Michael J.
Sage Publications, 1994
Buku Teks
Scott, Michael J., author
Sage Publications, 2004
Buku Teks
Schiraldi, Glenn R., author
McGraw-Hill , 2009
Buku Teks
John Wiley & Sons, 1999
Buku Teks
Febry Sam, author
Universitas Indonesia, 2017
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