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New Releases by Martin E. P. SeligmanMartin E. P. Seligman is the author of Aprenda a ser otimista (1992), Erlernte Hilflosigkeit (1979), Learned Helplessness and Depression in Animals and Men (1976), Öğrenilmiş İyimserlik, Gerçek Mutluluk - Martin E. P. Seligman.
release date: Jan 01, 1992
Learned Helplessness and Depression in Animals and Men
Gerçek Mutluluk - Martin E. P. Seligman
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