000 00253nam a22001097a 4500
003 OSt
100 _aShrivasatava, Mahendranath
245 _aShikshan Adhigam Ke Siddhant
260 _aAgra
_bAgarwal Publication
_c2014
300 _a157p.
942 _2ddc
_cBK
999 _c4762
_d4762