000 00284nam a22001217a 4500
003 AUM
020 _a9788131530856
100 _aTrochin, W. M.
245 _aResearch Methods the essentional knowledge base
260 _bCengage learning, india
_c2016
300 _a422
942 _2ddc
_cBK
999 _c3103
_d3103