00407nam a2200133 a 4500020002700000020003000027082001500057100002300072245006200095260004100157300001400198700001300212856004800225  a8121902819 (paperback)  a9788121902816 (paperback)  a001.424KUM1 aGupta, Prem Kumar.10aProblems in Operations Research: Principles and Solutions  aNew Delhi:bS Chand & Co Ltd,c2007.  a1377 p. ;  aD.S Hira40uhttp://10.10.170.122:8080/browse/book/13489