TY  - BOOK
AU  - Kilpatrick,Jeremy
AU  - Swafford,Jane
AU  - Findell,Bradford
TI  - Adding it up: helping children learn mathematics 
SN  - 0309069955 (hardcover)
AV  - QA135.5 
PY  - 2001///
CY  - Washington, DC
PB  - National Academy Press
KW  - Mathematics
ER  -