Fairclough, Norman, author
Routledge, 2001
Buku Teks
Castells, Manuel, author
Wiley-Blackwell, 2010
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KEMENAKERTRANS,
Majalah, Jurnal, Buletin
Keohane, Robert O. (Robert Owen), 1941-, author
Longman, 2012
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Wood, Janet, author
Institution of Engineering and Technology, 2007
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