TY  - BOOK
AU  - Billstein,Rick
AU  - Billstein,Rick
AU  - Billstein,Rick
TI  - A problem solving approach to mathematics
SN  - 0321168755
AV  - QA135.6 .B55 2004
PY  - 2004///
CY  - Boston
PB  - Pearson/Addison-Wesley
KW  - Mathematics
KW  - Study and teaching (Elementary)
KW  - Problem solving
N1  - Eighth ed. also published under title: A problem solving approach to mathematics for elementary school teachers
ER  -