TY  - BOOK
AU  - Jones, Kevin.
AU  - Kershaw, Lorraine.
AU  - Sparrow, Len.
TI  - Number sense and computation in the classroom: Issues in primary mathematics education 
SN  - 0729801667
U1  - 511.352 JON 
PY  - 1997///
CY  - Western Australia
PB  - Mathematics, science and technology education centre
KW  - Computation
KW  - Mathematics teaching
KW  - Mental computation.
N1  - Includes references
ER  -