TY  - BOOK
AU  - Intervention problem solving.
TI  - Harcout Math: Intervention problem solving
SN  - 9780153496240
AV  - QA 135.5 .I58 2004 
PY  - 2004///
CY  - U.S.A
PB  - Harcout
KW  - Mathematics
KW  - Arithmetic
N1  - Includes index
ER  -