Learned Optimism
by Martin E. P. Seligman
ISBN 13: 9780394579153
Format: Hardcover (319 pages) Publisher: Alfred a Knopf Published: Jan 1991 Other Format: Paperback
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Der Glücks-Faktor: Warum Optimisten länger leben
ISBN 13: 9783404605484
Format: Paperback (480 pages) Publisher: Luebbe Verlagsgruppe Published: 28 Feb 2005
Flourish: A New Understanding of Happiness and Well-Being - and How To Achieve Them
ISBN 13: 9781857885699
Format: Paperback (408 pages) Publisher: Nicholas Brealey Publishing Published: 05 May 2011