Der Glücks Faktor. Warum Optimisten länger leben by Martin Seligman, Siegfried Brockert
Der Glücks Faktor. Warum Optimisten länger leben
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Martin Seligman, Siegfried Brockert
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Der Glücks Faktor. Warum Optimisten länger leben

Martin Seligman, Siegfried Brockert

480 pages • first pub 2002 (editions)

nonfiction psychology self help reflective slow-paced
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