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020 _a8174464972
041 _aeng
082 _a001.42
_bBHA
100 _aBhattacharyya, D. K.
245 _aResearch Methodology
250 _a2
260 _aNew Delhi
_bExcel Books
_c2008
300 _aXIII, 399
365 _b82.5
500 _aResearch Methodology
650 _aResearch Methodology
999 _c4180
_d4180