TY  - BOOK
AU  - Chacko, George Kuttickal,
TI  - Applied operations research: systems analysis in hierarchical decision-making 
SN  - 0444107673 (American Elsevier) (v. 1) :
U1  - 658.4034 
PY  - 1976///
CY  - Amsterdam
PB  - North-Holland Pub.
KW  - Operations research
ER  -