000 00446nam a2200157Ia 4500
008 220515s9999||||xx |||||||||||||| ||und||
020 _a978-1-4129-6557-6
050 _aH 62 .C74 2009
100 _aCreswell, J.W
245 0 _aResearch design: qualitative, quantitative, and mixed meyhods approaches
250 _a3rd
260 _aCarlifonia
_bSAGE Publications
_c2009
300 _axxix, 260p.
650 _aResearch|Design
942 _2lcc
_cBK
999 _c8424
_d8424