SMP 11-16.
Roberts, Glenys M.(Glenys Mair)
Roberts, Glenys M.(Glenys Mair)
National Language Unit of Wales.
Welsh Joint Education Committee.
School Mathematics Project.
Caerdydd : Uned Iaith Genedlaethol Cymru CBAC [mewn cydweithrediad â Gwasg Prifysgol Caergrawnt],
1998.
Addasiad Cymraeg gan = Welsh adaptation by: Glenys M. Roberts.
Mathematics
Mathematics