SMP 11-16.
National Language Unit of Wales.
Caerdydd : Uned Iaith Genedlaethol Cymru, CBAC,
c1996.
Cover title.
Addasiad Cymraeg o = Welsh translation of: SMP 11-16: maths roadshow.     Cambridge : Cambridge University Press, 1993.
"Ar gyfer 2 berson."