AAllwedd mathemateg TGAUAllwedd mathemateg TGAUde Ffion Kervegant, University of Wales, Aberystwyth, Centre for Educational Studies Staff, David BakerMateriasStudy and teaching (Secondary)MathematicsMathematics, juvenile literatureEdiciones (1)Allwedd mathemateg TGAU (2004)welMás obras de Ffion Kervegant