000 00318cam a2200133ua 4500
020 _a81-7722-372-0
082 1 4 _a658.072
_bTRO/R
100 1 _aTrochim, William M K .
245 1 0 _aResearch methods /
260 _aNew Delhi :
_bBiztantra ,
_c2004.
300 _a363p ;
650 0 _aResearch methods
942 _cBK
999 _c70028
_d70028