000			00378nam a2200145Ia 4500
008			130318s9999 xx 000 0 und d
020			_a9788182090101
082			_a004.21 LEO/I
100			_aLeon, Alexis
245			_aIntroduction to information systems
260			_bTata McGraw Hill _aNoida _c2004
300			_a462
650			_aINFORMATION SYSTEMS
700			_aLeon, Mathews
999			_c1516 _d1516