000			00314nam a2200145Ia 4500
008			220421s9999||||xx |||||||||||||| ||und||
020			_c160
040			_aET
100			_aROY S
245		0	_aELEMENTS OF SYSTEM ANALYIS & DESIGN
260			_bG.B.PUB. _aDELHI
300			_a324
500			_a17519
942			_cBK
999			_c23748 _d23748