TY  - BOOK
TI  - Problem solving and critical thinking
T2  - McDougal Littell Science
SN  - 0618413553
PY  - 2005///
CY  - Illinois
PB  - McDougal Littell
KW  - Science
KW  - Problems, exercises, etc
KW  - sears
KW  - Study and Teaching
N1  - Critical Thinking Skills and Practice -- Problem Solving Strategies and Practice -- Answer Key
ER  -