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Arg. Saesneg gwreiddiol = Original English ed.: Cambridge: Cambridge University Press, [1997].
Addasiad Cymraeg gan = Welsh adaptation by: Trosol, Cyf.
Manylion teitl o'r clawr = Title information taken from cover.
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Mathemateg newydd Caergrawnt by Sue Atkinson. ISBN 1860852580. Published by Cyd-Bwyllgor Addysg Cymru in 1997. Publication and catalogue information, links to buy online and reader comments.