1.
 |  | Title: English File: Intermediate: Student's Book by Clive Oxenden, Paul Seligson ISBN: 0194366782 Publisher: Oxford University Press Pub. Date: 01 July, 1999
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2.
 |  | Title: English File: Upper Intermediate: Student's Book by Clive Oxenden ISBN: 0194368629 Publisher: Oxford University Press Pub. Date: 26 July, 2001
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3.
 |  | Title: English File: Level 1: Student's Book (English File) by Clive Oxenden, Paul Seligson ISBN: 0194355195 Publisher: Oxford University Press Pub. Date: 22 February, 1996
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4.
 |  | Title: English File: Level 2: Student's Book (English File) by Clive Oxenden, Paul Seligson, Christina Latham-Koenig ISBN: 0194355225 Publisher: Oxford University Press Pub. Date: 19 June, 1997
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5.
 |  | Title: OK: Level 4: Student's Book (Oxford Intensive English Courses) by David Bolton, Clive Oxenden, Len Peterson ISBN: 019432365X Publisher: Oxford University Press Pub. Date: 10 May, 1990
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6.
 |  | Title: OK 2 - Teacher's Book (Oxford Intensive English Courses) by David Bolton, Mary Bowen, Clive Oxenden, Len Petersen ISBN: 0194323595 Publisher: Oxford University Press Pub. Date: 25 May, 1989
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7.
 |  | Title: English File, Intermediate, Student's Book by Clive Oxenden, Christina Latham-Koenig, Christina Latham- Koenig ISBN: 3464119971 Publisher: Cornelsen Pub. Date: 01 January, 2001
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8.
 |  | Title: OK 1 - Teacher's Book (Oxford Intensive English Courses) by David Bolton, Mary Bowen, Clive Oxenden, Len Petersen ISBN: 0194323552 Publisher: Oxford University Press Pub. Date: 13 April, 1989
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9.
 |  | Title: OK 3 - Teacher's Book (Oxford Intensive English Courses) by David Bolton, Mary Bowen, Clive Oxenden, Len Petersen ISBN: 0194323633 Publisher: Oxford University Press Pub. Date: 06 July, 1989
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10.
 |  | Title: Crackerjack 1: Activity Book (Primary Courses and Materials - Crackerjack) by Phyllis Vannuffel, Paul Power, John Palim, Clive Oxenden ISBN: 0175562989 Publisher: Pearson English Language Teaching Pub. Date: 17 February, 1994
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