000 00267nam a22001217a 4500
003 OSt
100 _aVerma, Preeti
245 _aAdhunik Proyagtmak Manovigyan
250 _a19th ed.
260 _aAgra
_bAgarwal Publication
_c2014
300 _a781p.
942 _2ddc
_cBK
999 _c4483
_d4483