00558nam a22001337a 4500008004100000020001500041050002600056100002200082245018900104260004900293300001600342650005100358700001500409180301b        xxu||||| |||| 00| 0 eng d  a8121909696  aT57.6b.G87 2009 c. 1  aGupta, Prem Kumar  aProblems in operations research (principles and solutions)bfor engineering, computer science, commerce, management, economics, statistics, mathematics ...cPrem Kumar Gupta, D.S. Hira  aNew DelhibS. Chand & Company PVT. LTDc2009  axi, 1202 p.  aOperations researchvProblems, exercises, etc.  aHira, D.S.