000 00280nam a22001217a 4500
999 _c338044
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020 _a9798174464971
082 _a300.723
_bBHA.R
100 _aDipak kumar Bhattacharyya
245 _aResearch Methodology
250 _a2nd
260 _aNewDelhi
_bExcel books
_c2006
942 _cBK