TY  - BOOK
AU  - Posamentier,Alfred S.
AU  - Krulik,Stephen
TI  - Problem solving in mathematics, grades 3-6: powerful strategies to deepen understanding 
SN  - 9781412960670
AV  - QA63 P855 P 2009
PY  - 2009///
CY  - Thousand Oaks, Calif.
PB  - Corwin
KW  - Problem solving
KW  - Study and teaching (Elementary)
KW  - Mathematics
N1  - HKBU library; YT2025 M09
ER  -