LEADER 00825nam0 22002773i 450 001 996278449303316 005 20190108085157.0 010 $a978-1-5063-8676-8 100 $a20180220d2018----||||0itac50 ba 101 $aeng 102 $aUS 200 1 $aResearch design$equalitative, quantitative, and mixed methods approaches$fJohn W. Creswell, J. David Creswell 205 $a5. ed 210 $aLos Angeles [etc.]$cSage$d2018 215 $aXXV, 275 p.$d26 cm 606 0 $aScienze sociali$xRicerche$xMetodo$2BNCF 676 $a300.72 700 1$aCRESWELL,$bJohn W.$0143582 701 1$aCRESWELL,$bJ. David$0761415 801 0$aIT$bsalbc$gISBD 912 $a996278449303316 951 $aII.5. 7525$b269113 LM.$cII.5.$d439931 959 $aBK 969 $aUMA 996 $aResearch design$91541626 997 $aUNISA