TY  - BOOK
AU  - Worthington, M. 
AU  - Carruthers, Elizabeth
TI  - Children's mathematics : : making marks, making meaning
SN  - 0-7619-4070-7
U1  - Circ. 372.7044 W934c 2003 
PY  - 2003///
CY  - London ; California ; New Delhi : 
PB  -  Paul Chapman Publishing
KW  - Mathematics --Study and teaching (Elementary)--Great Britain
N1  - Includes index

ER  -