000 00272nam a2200109Ia 4500
008 230210s9999 xx 000 0 und d
100 _aKhurana, Suneel
_918833
245 0 _aSamajik Vigyan Dakshtaen
260 _bShiksha Prakashan
_c2007
300 _a336
942 _cBK
999 _c118202
_d118202