TY  - BOOK
AU  - Premkumar Gupta
AU  - D.S.Hira
TI  - Operations Research,Ed7
SN  - 0000107838
U1  - 510 
PY  - 2014///
CY  - New Delhi
PB  - S.Chand
KW  -  Research,Ed7
KW  - Mathematics(510)
KW  - Operations
ER  -