000 00250nam a2200097Ia 4500
008 240421s9999 xx 000 0 und d
100 _aNarang, S. K.
245 0 _aCompuer Shikshan
260 _aAgra
_bAgarwal
_c2012 110p. Savera Books
942 _cBK
999 _c15425
_d15425