Boughey, Arthur S.
Man and the environment: an itroduction to human ecology and evolution
McMillan Publisher, 1975
 Buku Teks
English corpus linguistics : an itroduction / Charles F. Mayer
Cambridge University Press, 2002
 eBooks
Griffin, Ricky W.
Business
Pearson Education International, 2006
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Griffin, Ricky W.
Business
Prentice-Hall, 1993
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Griffin, Ricky W.
Business
Prentice-Hall, 1999
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