TY  - BOOK
AU  - Ogden,Harry
TI  - Workshop numeracy
SN  - 027302437X
AV  - TA332 OGD 
PY  - 1984///
CY  - London : 
PB  - Pitman, 
KW  - Problems, exercises, etc
N1  - With answers.
Includes index
ER  -