By Haines, Simon F.E.. Oxford : Oxford University Press, 2006 . 191 p. : ; 28 cm. :. 0194575373
]]>By Pathare, Emma.. Oxford : Oxford University Press, 2012 . 3 x CD ;. , Audio CD 1 - Units 1-5,Audio CD 2 - Units 6-10,Audio CD 3 - IELTS practice tests. 9780194711241
]]>By Harrison, Richard. Oxford : Oxford University Press, 2013 . 239 p. : 28 cm.. 978-0194711258
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