| Mathdonic 4 Mathemateg a Daearyddiaeth | | Editor:
| Coleman, John Griffith, Karen Jenkins, Carol Jones, Dylan eraill, ac | Illustrator:
| Jenkins, Enfys Beynon Pritchard, Richard Huw | ISBN: | 978-1-85644-363-0 | Publication Date: | Jan 2005 | Publisher: | CAA
| Book Format: | Paperback | List Price: | Contact Supplier contact
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