Manfred Spitzer has written at least 7 books. Their most popular book is Digitale Demenz with 3 saves with an average rating of 2⭐.
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Digitale Demenz. Wie wir uns und unsere Kinder um den Verstand bringen Digitale Demenz. Wie wir uns und unsere Kinder um den Verstand bringen
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Demenţa digitală Demenţa digitală
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Demenza digitale Demenza digitale
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