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APA Citation
Asker, N., Barraclough, J., Bolger, S., Byrd, L., Edmondson, A., & (Writer on mathematics), M. (2015). KS3 maths progress. confidence, fluency, problem-solving, progression. Harlow, United Kingdom : Pearson Education. http://access.bl.uk/ark:/81055/vdc_100066539287.0x000001