O gam i gam /
Griffith, Elisabeth.
Tomos, Alwena.
Jones, Eleri.
University of Wales, Aberystwyth.Centre for Educational Studies.
Aberystwyth : Y Ganolfan Astudiaethau Addysg,
2009.
Cyhoeddiad gwreiddiol = Original publication: 1994.
Welsh language
Dyslexic children
Reading