01106nam a2200265 i 4500991003670929707536190524s2014 caua b 001 0 eng d9781452226101b14369278-39ule_instBibl. Dip.le Aggr. Ingegneria Innovazione - Sez. Ingegneria Innovazioneeng300.72123Creswell, John W.143582Research design :qualitative, quantitative, and mixed methods approaches /John W. Creswell4th ed.Thousand Oaks :SAGE,c2014xxix, 273 p. :ill. ;26 cmIncludes bibliographical references and indexesSocial sciencesResearchMethodologySocial sciencesStatistical methods.b1436927802-07-1925-06-19991003670929707536LE026 300.721 D CRE 01.01 201412026000131047le026Prof. Corallo / BibliotecapE85.04-l- 00000.i1589456325-06-19Research design509802UNISALENTOle02624-05-19ma -engcau00