SkipCaptcha
5,204
edits
Changes
Jump to navigation
Jump to search
Line 1:
Line 1: − +
ref
Pessimism is very often the cause of [[depression]].<ref>[http://www.shearonforschools.com/learned_optimism.htm Learned Optimism] by Martin E.P. Seligman, Ph.D.<ref>
Pessimism is very often the cause of [[depression]].<ref>[http://www.shearonforschools.com/learned_optimism.htm Learned Optimism] by Martin E.P. Seligman, Ph.D.</ref>