000 00256nam a2200109Ia 4500
008 220201s9999 xx 000 0 eng d
100 _aYADAV (PK)
245 0 _aDATABASE MANAGEMENT SYSTEM
250 _a5TH
260 _bN.DELHI, S.K. KATARIA
942 _2ddc
999 _c99491
_d99491