TY  - BOOK
AU  - Charles
ED  - Addison-Wesley
TI  - Problem solving experiences in general mathematics: teacher sourcebook 
SN  - 0201251892
U1  - 510.76 23
PY  - 1991///.
CY  - California: 
PB  - Addison-Wesley, 
KW  - Mathematics
KW  - Problems, exercises, etc
ER  -