LEADER 00863nam a2200241 i 4500
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008 080415s2003    xxu||||||     0|| ||eng d
020   $a9781412965576
035   $ab13700868-39ule_inst
041 0 $aeng
082 00$a300.72$222
100 1 $aCreswell, John W.$0143582
245 10$aResearch design :$bqualitative, quantitative and mixed methods approaches /$cJohn W. Creswell
250   $a3rd ed.
260   $aThousand Oaks :$bSage,$cc2009
300   $axxviii, 260 p. ;$c24 cm
650  4$aScienze sociali$xRicerche$xMetodo
907   $a.b13700868$b04-11-08$c18-03-08
912   $a991003480239707536
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996   $aResearch design$9509802
997   $aUNISALENTO
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