en

Martin Seligman

Martin E. P. Seligman, Ph.D., is the Fox Leadership Professor of Psychology at the University of Pennsylvania, the director of the Positive Psychology Network, and former president of the American Psychological Association. Among his twenty books are Learned Optimism and The Optimistic Child.
masa pakai: 12 Agustus 1942 sekarang
fb2epub
Seret dan letakkan file Anda (maksimal 5 sekaligus)