Dòng Nội dung
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Cutting edge : Upper intermediate / teacher's resource book/
Essex : Longman, 1999
175 p. : ill ; 30 cm.



3
4
Life lines : intermediate student's book / Tom Hutchinson
New York : Oxford University Press, 1997
144p. ; 30 cm.



5
Pacesetter : Pre-intermediate : Studen's book / Derek Strange.
Oxford : Oxford University Press, 2000
112p. ; 30 cm.