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Oxford University Press, 2000
Multimedia
Wolfe, R. J., author
Oxford University Press, 2000
Buku Teks
Angel, Edward, author
Pearson, 2009
Buku Teks
Harrington, Steven, author
McGraw-Hill, 1983
Buku Teks
Yarwood, A.
Longman Scientific Technical, 1993
Buku Teks