000 00340nam a2200133Ia 4500
100 _aCreswell, John W
020 _a978-81-321-07484-4
250 _a3rd ed
942 _cBK
245 _aResearch design
_bqualitative, quantitative, and mixed method approaches
260 _aSage, London
_c2009
082 _a307.2 Cre
300 _axxix, 260
999 _c44557
_d44557