TY  - BOOK
AU  - ARTHUR ENGEL
AU  - K. BENCSATH, P.R. HALMOS
TI  - PROBLEM-SOLVING STRATEGIES
SN  - 9780387982199
U1  - 510.76 
PY  - 1998///
CY  - USA
PB  - SPRINGER
KW  - STRATEGIES
N1  - MATHS
ER  -