000 00251nam a2200109Ia 4500
008 160921s9999 xx 000 0 und d
100 _aSINGH,N.P.
245 _aSHIKSHA KE DARSHNIK ADHAR
260 _bR.LAL PUB.
_c2009
300 _a301,2
942 _cBK
999 _c31918
_d31918