000 00260nam a22001217a 4500
003 OSt
100 _aChaturvedi, Mamta
245 _aAnusandhan Bidhiyan
250 _a2nd ed.
260 _aAgra
_bAgarwal Publication
_c2015
300 _a115p.
942 _2ddc
_cBK
999 _c4674
_d4674