000 00247nam a22000977a 4500
999 _c9372
_d9372
008 180129b ||||| |||| 00| 0 eng d
020 _a9788122007619
100 _aJayaswal,A.
_95605
245 _aLearning Computers-8
260 _aNew Delhi
_bKonark
_c2009