Johnson, Paul E. (Paul Erick), 1938-, author
John Wiley & Sons, 1971
Buku Teks
Bloom, Benyamin S., author
McGraw-Hill, 1976
Buku Teks
edited by Brian H. Ross
Elsevier, 2004
Buku Teks
Driscoll, Marcy P, author
Pearson Allyn and Bacon, 2005
Buku Teks
Ahern, Charles A., author
Springer, 2011
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