Papalia, Diane E.
McGraw-Hill, 1992
Buku Teks SO
Craig, Garce J.
Prentice-Hall, 1992
Buku Teks SO
Zanden, James W. Vander
McGraw-Hill, 1993
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Papalia, Diane E.
McGraw-Hill Education, 2015
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Papalia, Diane E.
McGraw-Hill, 2012
Buku Teks SO