00000nam a2200000 a 4500 20251203110608.0 8181280156 510 ENG Engel, Arthur Problem-solving Strategies New York Springer 1998 x, 403p. 24cm PB Mathematics _ 112788 LIBSC C 95694 95694 0 0 0 0 PU PU 2005-05-30 260.00 0 510 ENG 112788 BK