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Pecyn yn cynnwys 1 llyfr [14]t, 1 llyfryn [9]t, 10 cerdyn gwaith = Pack contains 1 book [14]p, 1 booklet [9]p, 10 work cards.
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Crwydryn valiant by Uned Gyfrifiadurol Gwynedd. Published by Uned Gyfrifiadurol Gwynedd in 1993. Publication and catalogue information, links to buy online and reader comments.