TY  - BOOK
AU  - Ackoff,Russell L.
TI  - The art of problem solving accompanied by Ackoff's fables
SN  - 0471042897
U1  - 658.403 
PY  - 1978///
CY  - New York
PB  - John Wiley & Sons
KW  - SOLUCION DE PROBLEMAS
N1  - p. 207 - 208
ER  -