Dòng Nội dung
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Communicating effectively / Saundra Hybels, Richard L. Weaver II.
Boston, Mass. : McGraw-Hill, 2007
418, [34] p. : ill. (chiefly col.) ; 26 cm.



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Expressions, meaningful English communication : Workbook 2 / David Nunan
South Melbourne, Vic., Australia, Scarborough, Ont : Thomson Heinle, 2002
65 p. ; 28 cm.