Teithio.
University of Wales, Bangor.School of Education.
University College of Wales (Aberystwyth, Wales).Centre for Educational Studies.
Qualifications, Curriculum & Assessment Authority for Wales.
Aberystwyth : Ysgol Addysg, Prifysgol Cymru Bangor a'r Ganolfan Astudiaethau Addysg,
c1999.
Cover title.
"Cylchgrawn mathemateg ar gyfer cyfnodau allwedol 1,2 a 3."
With 1 poster loosely inserted.