000			00544nam a22001697a 4500
999			_c7986 _d7986
008			170215b xxu||||| |||| 00| 0 eng d
020			_a9781452274614
050			_aH 62 _b CRE 2014
100			_aCreswell, John W.
245			_aResearch design: _bQualitative, quantitative, & mixed methods approaches/ _cBy John W. Creswell.
250			_aFourth edition.
260			_aLos Angeles: _bSage, _c2014.
300			_a273 p.:
650			_2Social sciences-Research-Methodology.
650			_2Social sciences-Statistical methods.
942			_2lcc _cBK