TY  - BOOK
AU  - Churchman, C. West, Ackoff, Russell L. and Arnoff, E. Leonard
TI  - Introduction to operations rejsearch
U1  - 658 
PY  - 1969///
CY  - London
PB  - ; John Wiley & Sons
KW  - Management
KW  - Operational Research
ER  -