000 00254nam a2200097Ia 4500
008 220201s9999 xx 000 0 eng d
100 _aSHARMA (AK) & GAUR (RK)
245 0 _aELEMENTS OF COMPUTER SCIENCE
260 _bDHANPAT RAI & SONS DELHI
942 _2ddc
999 _c96155
_d96155