TY  - BOOK
AU  - 
TI  - A Problem Solving Approach  to Mathematics for Elimentary School Teachers
SN  - 0-8053-0865-2
AV  - QA135.5 B31
PY  - 1987///
CY  - Tokyo
PB  - The Benjamin/ Cummings Publishing Company
KW  -  
ER  -