TY  - BOOK
AU  - Billstein, Rick 
AU  - Libeskind, Shlomo.
AU  - Lott, Johnny W.
TI  - Aproblem solving approach to mathematics for elementary school teachers
SN  - 9780321570550
AV  - QA 135.6 .B55 2009. 
PY  - 2009///
CY  - Boston
PB  - Addison-Wesley
KW  - Mathematics
KW  - study and teaching. (elementary)
KW  - Problem solving
N1  - Include index
ER  -