000 00253nam a22001217a 4500
003 OSt
100 _aUpadhyay, Alok
245 _aComputer Shiksha
250 _a9th ed.
260 _aAgra
_bAgarwal Publication
_c2015
300 _a195p.
942 _2ddc
_cBK
999 _c4627
_d4627