TY  - BOOK
AU  - Gupta, P. K.
TI  - Problems in operation research: Methods and solutions
SN  - 8180544427
U1  - 001.424 
PY  - 2006///
CY  - Kolkata
PB  - Sultan Chand
KW  - Research methodology
KW  - Methods and techniques
N1  - Includes bibliographical references and index
ER  -