TY  - BOOK
AU  - Posamentier,Alfred S.
AU  - Hauptman,Herbert A.
TI  - 101+ great ideas for introducing key concepts in mathematics : : a resources for secondary school teachers / 
SN  - 1412927064   
PY  - 2006///
CY  - California
PB  - Crown Press, 
KW  - Mathematics
KW  - study and teaching (secondary)
ER  -