Canlyniadau asesiadau'r cwricwlwm cenedlaethol ac arholiadau cyhoeddus yng Nghymru 2005 : Powys = National curriculum assessment and public examination results in Wales 2005 : Powys.
Wales.Welsh Assembly Government.
Wales.Department for Education, Lifelong Learning and Skills.
Caerdydd : DELLS,
2007.
Cover title.
"Date of issue : January 2007".
"Dogfen wybodaeth. Safonau ysgolion".
Includes bibliographical references.