000 00449 a2200169 4500
020 _a9781412965576
082 _a300.72
_bCRE
090 _c17625
_d27182
100 _aCreswell, John W.
245 _aResearch design
_bqualitative, quantitative and mixed methods approaches
250 _a3rd.
260 _aLos Angeles
_bSage
_c2009
_g2009
300 _axxix, 260p.
_c26cm.
650 _aRESEARCH METHODS
650 _aSOCIAL RESEARCH
942 _cL
999 _c45554
_d45554