000 00252nam a2200109Ia 4500
008 240421s9999 xx 000 0 und d
100 _aSingh, Y.K.
245 0 _aTeaching Of Computers
260 _aNew Delhi
_bAPH
_c2009
300 _a313p.
942 _cBK
999 _c13604
_d13604