000			00311nam a2200109Ia 4500
008			231219s9999 xx 000 0 und d
041			_aeng
100			_aPhillps Ravindran Solbeog.
245			_aOpearations Research Priniples and Practice.
260			_bJohn Wiley and Sons New York.
650			_aManagement
999			_c974613 _d974613