00429nam a2200169Ia 4500003000500000008004100005020001800046040001900064082000700083100002000090245007500110250000600185260003800191300001000229365000800239546001200247STCL221019s9999    xx            000 0 und d  a9789353287351  aSTCLcSTCLbEN  222  aCreswll, John W 0aResearch design: qualitative quantitative and mixed methods approaches  a4  bSage PublicationaNew Delhic2014  a190 p  b700  aEnglish