TY  - BOOK
AU  - Churchman, C. West
TI  - Introduction to Operations Research
PY  - 1957///
CY  - New York
PB  - John Wiley and Sons, Inc.
UR  - http://krc.clri.res.in:80/cgi-bin/koha/opac-detail.pl?biblionumber=2881
ER  -