O`Shea, Robert P., author
Harcourt Brace , 1996
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O`Shea, Robert P., author
Cengage Learning, 2013
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O`Shea, Robert P. (Robert Paul), 1953-, author
Harcourt , 2000
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Dunn, Dana S., author
Longman, 2011
Buku Teks
O`Shea, Robert P. (Robert Paul), 1953-, author
Harcourt Brace & Company, 1996
Buku Teks