000 00285nam a2200109Ia 4500
008 230901s9999 xx 000 0 eng d
100 _aLali (Sh137i)
245 0 _aOperating System and Business Data Processing
250 _a1
260 _bUNIVERSITY BOOK HOUSE
942 _2ddc
_cSCIENCE
999 _c18963
_d18963