000 00248nam a22001217a 4500
003 OSt
100 _aVarshney, Sadhna
245 _aJeev Vigyaan Shikshan
260 _aAgra
_bAggarwal Pub.
300 _a139p.
901 _a4226BED
942 _2ddc
_cBK
999 _c36727
_d36727