000 00307nam a2200109Ia 4500
008 241121s9999 xx 000 0 und d
020 _a9789353287351
100 _aJohn W. Creswell
_910303
245 0 _aResearch Design: Qualitative, Quantitative, and Mixed Methods Approaches
260 _bSAGE
260 _c2019
999 _c3499
_d3499