Pearson Education, Limited
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Big English Plus 1 Pupil’s Book — Mario Herrera, Christopher Cruz, Christopher Sol Cruz
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Big English Plus 1 Activity Book — Mario Herrera, Christopher Cruz, Christopher Sol Cruz
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Sky 1 Test CD — Brian Abbs, Andrew Fairhurst
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Speakout 3ed B1+ Workbook with Key — Pearson Education
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Spectrum A Communicative Course in English — Diane Warshawsky, Sandra Costinett, Donald R. H. Byrd