000 00263nam a2200097Ia 4500
008 230401s9999 xx 000 0 eng d
100 _aRITCHIE(COLIN)
245 0 _aPRINCIPAL OF DATABASE SYSTEM & DESIGN
260 _bCENGAGE LEARNING (NEW DELHI)
942 _2ddc
_cMTECH
999 _c2939
_d2939