000 00268nam a22001217a 4500
003 OSt
100 _aSarin Shashikala
245 _aShaikshik Anusandhan Bidhiyan
250 _a2nd ed.
260 _aAgra
_bAgarwal Publication
_c2015
300 _a104p.
942 _2ddc
_cBK
999 _c4311
_d4311