D.W. · D. Williams · Gordon Jones Dylan Williams
Gomer Press · Institute of Education
| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Assessment for Learning: Why, What and How? | 978-0-85473-788-8 | 2008 | |
| Dechrau Cyfrif gyda Sali Mali | 978-1-84851-227-6 | 2010 | |
| Delysg a Morlo | 978-0-86383-798-2 | 1991 | Anna NicDhomhnaill |
| Sali Mali A'r Polyn Pogo | 978-1-84851-217-7 | 2013 | |