00361nam a2200157Ia 4500003000500000008004100005020000900046040000900055041001200064082002300076100002200099100001500121245004200136260000900178650001600187NDCL180829s9999||||ii |||||||||||||| ||eng||  a8851  aNDCL  aEnglish  a519.92 GP216th ed  aGupta, Prem Kumar  aHira, D.S. 0aOperations researchcPrem Kumar Gupta  c2000  aMathematics