000 00454 a2200157 4500
020 _a9788177223729
041 _aeng
082 0 _a001.42 TRO
100 1 _aTrochim, William M. K.
_9327608
245 _aResearch methods
_cWilliam M. K. Trochim
260 _bBiztantra,
_c2009.
_aNew Delhi :
300 _aix, 363p.;
_c24 cm.
650 4 _aLanguage research
_9327609
650 4 _aSampling methods
_9327610
650 4 _aMeasurement theory
_9327611
999 _c344365
_d344301