TY  - BOOK
AU  - Ogden, Harry
TI  - Workshop Numeracy
SN  - 027302437X
AV  - TA333 .O32 1984
PY  - 1984///
CY  - London
PB  - English Language Book Society/Pitman
KW  - Numeracy
KW  - Engineering
N1  - includes bibliographical appendix and index
ER  -