Sekuler, Robert
McGraw-Hill, 2002
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Blake, Randolph
McGraw-Hill, 2006
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Sekuler, Robert
McGraw-Hill, 2002
Buku Teks
Husain Heriyanto
Universitas Indonesia, 2013
UI - Disertasi (Membership)
Rock, Irvin
Macmillan Publishing Co, Inc, 1975
Buku Teks