TY  - BOOK
AU  - Carruthers,Elizabeth
AU  - Worthington,Maulfry
TI  - Children's mathematics: making marks, making meaning 
SN  - 9781446213780 (ebook)
PY  - 2006///
CY  - London
PB  - SAGE
KW  - Mathematics
KW  - Study and teaching (Elementary)
KW  - Great Britain
N1  - Includes bibliographical references and index
UR  - http://knowledge.sagepub.com/view/childrens-mathematics-2e/SAGE.xml
ER  -