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ISBN-13: 9781912820559, 978-1912820559. Comprehensively revised and updated, this 2nd Edition is endorsed by WJEC. // Increased maths support with maths skills and techniques regularly tested throughout.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.