TY  - BOOK
AU  - Aggarwal S P Ed.
ED  - National conference on operational research in managerial systems (1981 : Delhi)
TI  - Proceedings on operational research in managerial systems
U1  - B2893p1,N81, M4;11 
PY  - 1984///
CY  - Delhi
PB  - Academic       
KW  - Operational research
ER  -