000 00252nam a22001217a 4500
003 OSt
100 _aOjha, R K
245 _aAudyogik Manovigyan
250 _a6th ed.
260 _aAgra
_bAgarwal Publication
_c2014
300 _a496p.
942 _2ddc
_cBK
999 _c4498
_d4498