I. Gwyn Evans
Books
Starting Statistics
1988
ISBN 9780340407332
Statistics for Advanced Level mathematics
1984
ISBN 9780340327647
Trafod data
1993
ISBN 9781856442190
Mathemateg
2001
ISBN 9781860855054
Starting Statistics
1988
ISBN 9780340407332Statistics for Advanced Level mathematics
1984
ISBN 9780340327647Trafod data
1993
ISBN 9781856442190Mathemateg
2001
ISBN 9781860855054