000 00293nam a2200121Ia 4500
008 160122s9999 xx 000 0 und d
041 _aEnglish
100 _aHamndy A Taha
245 _aOperation Research; An Introduction
260 _bDelhi:PHI
_c1996
300 _a822p.
650 _aManagement
999 _c3342
_d3342