00528nam a2200157 a 4500003000900000005001700009008004100026040002400067082001200091100001700103245006300120260008600183300003400269650005100303700001600354BD-KhUET20161114093819.0120522r1980 ii a 000 0 eng  aBD-KhUETcBD-KhUET.00a0032211 aGupta, P. K.10aProblems in operations Research /cP. K. Gupta & Man Mohan aNew Delhi :bSultan Chand & Sons Educational Publishers,c1980 [Repriented 1992]. axiv, 904 p. :bill. ;c22 cm. 0aOperations researchxProblems, exercises, etc. aMohan, Man