Datblygu deunydd asesu yn yr iaith Gymraeg. Adroddiad ar yr arolwg sgiliau siarad ymhlith dysgwyr Cymraeg 10-11 oed, 1981
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| Description | edition; published in 1981 |
| Author/s |
author: Robat Powell Eurwen Price |
| Publication date | 1981 |
| Language | Welsh |
| Country of origin | |
| Wikipedia link | |
| Copyright status | |
| Missing/wrong data? | Edit Wikidata item |