Mathemateg TGAU : y llyfr gwaith haen uwch : gyda llyfr atebion /
Parsons, Richard.
Kervegant, Ffion.
Williams, Siôn.
University of Wales, Aberystwyth.Centre for Educational Studies.
Aberystwyth : Y Ganolfan Astudiaethau Addysg,
2002.
Addasiad Cymraeg gan Ffion Kervegant a Siôn Williams = Welsh adaptation by Ffion Kervegant and Siôn Williams.
Argraffiad Saesneg gwreiddiol = Original English edition : Kirkby-in-Furness : Coordination Group Publications, 2001.
Mathematics