Astudio ac arsylwi ar waith ysgrifenedig
By: tîm y cynllun, Eurwen Price, Ann Davies ; noddwr, Y Swyddfa Gymreig ; swyddog technegol, Mary Hargreaves.
Contributors: Price, Eurwen.; Davies, Ann.; Great Britain. Welsh Office.; National Foundation for Educational Research in England and Wales.
Publisher: Y Swyddfa Gymreig
Published: 1989
Place of publication: [Caerdydd]
Language: wel
Number of pages: 234
Subjects: Welsh language -- Composition and exercises.; Welsh language -- Study and teaching -- Wales.
Notes: Cover title.
At head of title: Sefydliad Cenedlaethol er Ymchwil i Addysg yn Lloegr a Chymru.