TY  - BOOK
AU  - Charles,Randall I.
TI  - Problem-solving experiences in algebra: teacher sourcebook 
SN  - 0201251868
AV  - QA154.3 .P76   1991
PY  - 1991///
CY  - Menlo Park, California
PB  - Addison-Wesley
KW  - Algebra
KW  - --Problems, exercises, etc
ER  -