000 00396nam a2200145Ia 4500
008 130318s9999 xx 000 0 und d
020 _a9788132107484
082 _a001.4 CRE/R
100 _aCresswell, John W
245 _aResearch design:Qualitative, quantitative and mixed method approaches
250 _a3
260 _bSage
_aNew Delhi
_c2009
300 _a260
650 _aRESEARCH PROCEDURES
999 _c2111
_d2111