000 00258nam a22001097a 4500
003 OSt
100 _aHanfi, M A
245 _aManovigyan Mai Shaikshik Anusandhan Avam Sankhyki
260 _aAgra
_bAgarwal Publication
_c2015
300 _a405p.
942 _2ddc
_cBK
999 _c4841
_d4841