TY  - BOOK
AU  - Phillips Don T
AU  -  Ravindran A
AU  -  Solberg James J
TI  - Operations research: Principles and practice
U1  - B2893, L6;1   TB 
PY  - 1976///
CY  - New York    
PB  -  John wiley &sons      
KW  -  Mathematics
KW  - Operation research
ER  -