Cite
MLA Citation
Ian Bettison et al.. Pearson Edexcel AS and A level mathematics.. Harlow, United Kingdom : Pearson Education, 2019. http://access.bl.uk/ark:/81055/vdc_100086585979.0x000001
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Ian Bettison et al.. Pearson Edexcel AS and A level mathematics.. Harlow, United Kingdom : Pearson Education, 2019. http://access.bl.uk/ark:/81055/vdc_100086585979.0x000001