000 00278nam a2200109Ia 4500
008 240421s9999 xx 000 0 und d
100 _aSharma, Ramprakash
245 0 _aSamajik Vighyan Evam Shikshan
260 _aAgra
_bVinod Pustak Mandir
_c2007
300 _a445p.
942 _cBK
999 _c11875
_d11875