Larson, Ron, 1941-
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Buku Teks
Young, Cynthia Y.
John Wiley & Sons, Inc, 2007
Buku Teks
Marcus, Marvin
Houghton Mifflin, 1970
Buku Teks
Cameron, Edward A.
Holt, Rinehart and Winston, 1965
Buku Teks
Barnett, Raymond A.
McGraw-Hill, 2001
Buku Teks