TY  - BOOK
AU  - Lott, Jonny W
AU  - Billstein, Rick
TI  - A problem solving approach to mathematics for elementary school teachers
SN  - 0805308512
AV  - QA 135.5 Bil 
PY  - 1981///
CY  - Menlo Park, California
PB  - Benjamin/Cummings
KW  - PROBLEM SOLVING
KW  - MATHEMATICS--STUDY AND TEACHING (ELEMENTARY)
KW  - MATHEMATICS--STUDY AND TEACHING
ER  -