TY  - BOOK
AU  - Flavell, J.S.
AU  - Wakelam, B. B.
TI  - The new primary mathematics:  an introduction to the language of number 
SN  - 0 423 84120 3
U1  - 510 
PY  - 1969///
CY  - London
PB  - Methuen
KW  - Mathematics
ER  -