TY  - BOOK
AU  - Enrick,Nobert Lioyd .
TI  - Management operation research / 
U1  - 658.4038 
PY  - 1974/// (rep.1979)
CY  - New Delhi : 
PB  - American Publishers , 
KW  - OPERATION RESEARCH(MANAGEMENT)
N1  - Includes bibliography and index
ER  -