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Michael Duckworth

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Proficiency Masterclass: Student's Book

By Kathy Gude, Michael Duckworth, Gude, Kathy, Duckworth, Michael

Success at First Certificate

By Robert O'Neill, Michael Duckworth, Kathy Gude, O'Neill, Robert, Duckworth, Michael, Gude, Kathy

Proficiency Masterclass Teacher's Book

By Kathy Gude, Michael Duckworth

Straight to Advanced Online Workbook Pack

By Michael Duckworth