Chesler, Mark A.
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Buku Teks
Richard Arum, Irenee R. Beattie, Merced, Karly Ford, editors
SAGE Publications, 2015
Buku Teks
Hurn, Christopher J.
Allyn and Bacon, 1993
Buku Teks
McGraw-Hill, 1975
Buku Teks
Murphy, Raymond
McGraw-Hill , 1979
Buku Teks