000 00417nam a2200145Ia 4500
008 221001s2011 xx 000 0 eng d
020 _a9788132107484
082 _a001.42 CRE
100 _aCreswell, John W.
245 0 _aResearch design: Qualitative, quantitative and mixed methods approaches
250 _a3rd ed.
260 _aNew Delhi
_bSage Publications
_c2011
300 _axxix, 260p.
942 _2ddc
_cBK
_04
999 _c37121
_d37121