Person Mario CallegaroMario Callegaro bei John Wiley & Sons Online Panel ResearchA Data Quality PerspectiveJohn Wiley & SonsSoftcover201475,90 € Online Panel ResearchA Data Quality PerspectiveJohn Wiley & SonseBook201463,99 € Online Panel ResearchA Data Quality PerspectiveJohn Wiley & SonseBook201463,99 €