000 00256nam a2200109Ia 4500
008 240421s9999 xx 000 0 und d
100 _aSingh, Aditya Narayan
245 0 _aManav Adhikar
260 _aNew Delhi
_bNCERT
_c1998
300 _a217p.
942 _cBK
999 _c14089
_d14089