000 00286nam a22001217a 4500
999 _c1365
_d1365
020 _a9788121909686
082 _a003.02
100 _aEr. Prem Kumar Gupta & D.S. Hira
245 _aProblems in Operations research
260 _aNew Delhi
_bS. Chand
_c2010
300 _a1202
942 _cBK