000 00283nam a2200133Ia 4500
008 230321s9999 xx 000 0 und d
082 _bMAN
100 _aMangal,Uma
245 0 _aSamajik Vigyan Shikshan
250 _a2nd
260 _bArya pub
_c2016
300 _a452
942 _cBB
999 _c3474
_d3474