Gwell meddwl, gwell mathemateg : cwrs mewn sgiliau meddwl, er mwyn cyflymu datblygiad mathemategol ym mlynyddoedd saith ac wyth /
Tanner, Howard.
Jones, Sonia.
University College of Swansea.Department of Education.
Swansea : University College of Swansea Department of Education,
1996.
Prosiect a ariannwyd gan y Swyddfa Gymreig = Project funded by the Welsh Office
Mathematics