TY  - BOOK
AU  - D'angelo,John P.
AU  - West,Douglas Brent
TI  - Mathematical thinking : problem-solving and proofs
SN  - 0130144126
U1  - 510 
PY  - 2000///
CY  - New Jersey
PB  - Prentice-Hall
KW  - Mathematics
KW  - Problem solving
ER  -