NOTAS
1 KAPLAN, K. A. College faces mental health crisis. The
Harvard Crimson. 12 jan. 2004.
2 U.S. Job Satisfaction at lowest level in two decades. The
Conference Board. 5 Jan. 2010.
3 SELIGMAN, M. E. P. Authentic happiness. New York: Free
Press, 2002. p. 117.
