Etiqueta de registo: 00000nx a2200025 45
001 1581962
100 ## $a20140801apory0103 ba0
102 ## $aPT
152 ## $aRPC
200 #1 $aMiguez,$bJosé Manuel
801 #0 $aPT$bBN
810 ## $aValue co-creation through online communities in the context of new social media sites
830 ## $aOrient. de teses
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