LIBROS DEL AUTOR: mario callegaro

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  • Web Survey Methodology
    Katja Lozar Manfreda / Mario Callegaro / Vasja Vehovar
    Covering core topics from preparation to questionnaire design, recruitment testing to analysis and survey software, this book covers the past 15 years of research and provides readers with practical direction on techniques for collecting valid and reliable data. ...
    Disponible

    109,10 €