TY  - BOOK
AU  - Gupta,Prem Kumar
AU  - Hira,D.S.
TI  - Problems in operations research (principles and solutions): For engineering,computer science, commerce, management, economics, statistics, mathematics, C.A., I.C.W.A., C.S., also useful for I.A.S. and other competitive examinations / 
SN  - 9788121909686 ;
U1  - 519.7 23rd ed.
PY  - 2018///
CY  - New Delhi : 
PB  - S.Chand, 
KW  - Operation Research
ER  -