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1
A twist in the tale : five short stories ; level 5 / Penny Cameron.
Harlow : Pearson Education, 2000.
72 p . : ill ; 20 cm.
2
Perpare for IELTS : the IELTS preparation couse / Penny Cameron.
Sydney : University of technology, 2000.
1 cassette.



3
Perpare for IELTS : the IELTS preparation couse / Penny Cameron.
Sydney : University of technology, 2000.
216p.: ill; 30cm+1sound cassette.
4
Prepare for IELTS : the IELTS preparation course / Penny Cameron.
Sydney, N.S.W. : Insearch UTS and International Programmes, UTS, 2002
207 p. ; 30 cm.
5
Prepare for IELTS : Academic modules = Chương trình luyện thi IELTS / Vanessa Todd, Penny Cameron.
Hà Nội : Nxb. Trẻ, 2003
147 p. ; 21 cm.