000			00330nam a2200133Ia 4500
008			201224s9999||||xx |||||||||||||| ||und||
020			_a81.203.1222.8
100			_aHamdy A. Taha _92852
245		0	_aOperation research an introduction
260			_aNewDelhi _bAsoke. K. Ghosh _c1997
300			_a6th
500			_a916
942			_cBK
999			_c7366 _d7350