Tomasowa, Francien Herlen
English for non-english departements
Universitas Brawijaya , 2005
 Buku Teks SO
Eckersley, C. E. (Charles Ewart), 1892-1967
The essential English dictionary English-Spanish Spanish-English
Longmans, Green and Co., 1953
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McCrum, Robert
The story of english
Faber and Faber , 1992
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Burton, Samuel Holroyd
English a-level
Macmillan, 1995
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English usage
edited by Tim Storrie and James Matson
Cassell , 1991
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