Allsop, Jake
English for Cambridge first certificate: a new course
Cassell, 1981
 Buku Teks SO
Tomasowa, Francien Herlen
English for non-english departements
Universitas Brawijaya , 2005
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Tomasowa, Francien Herlen
English for management
Universitas Brawijaya, 2005
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Eastwood, John
English for travel
Oxford University Press, 1994
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Doff, Adrian
English Unlimited
Cambridge University Press, 2011
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