000 00248nam a2200109Ia 4500
008 240421s9999 xx 000 0 und d
100 _aMangal, S.K.
245 0 _aShiksha Thakniki
260 _aNew Delhi
_bPHI
_c2009
300 _a988p.
942 _cBK
999 _c11972
_d11972