TY  - BOOK
AU  - D'ANGELO, John P. and WEST, Douglas B.
TI  - Mathematical Thinking: Problem solving and proofs
SN  - 0132633930
AV  - QA39.2.D36 
PY  - 1997///
CY  - Upper Saddle River
PB  - Prentice Hall inc.
KW  - Science
ER  -