000 00297nam a2200121Ia 4500
008 160122s9999 xx 000 0 und d
041 _aEnglish
100 _aBilly E Gillet
245 _aIntroduction to operation and research
260 _bDelhi:TMH
_c2002
300 _a617p.
650 _aManagement
999 _c4579
_d4579