000 nam a22 7a 4500
999 _c572
_d572
003 OSt
005 20180528171441.0
008 180528b xxu||||| |||| 00| 0 eng d
020 _a9788132107484
082 _a300
_bCRE
100 _aCreswell, John W.
245 _aResearch design : qualitative, quantitative, and mixed method approaches /
_cBy John W Creswell.
260 _aNew Delhi :
_bSage Publications ;
_c2003.
300 _axxviii ; 260 p.,
_c24 cm.
942 _2ddc
_cBK