RSS- Как да бъдем оптимисти, проф. Мартин Селигман
- http://dictionary.reference.com/browse/optimism
- http://dictionary.cambridge.org/dictionary/british/optimism
- http://www.sirc.org/publik/optimism.pdf
- http://www.projectoptimism.com/about.htm
- http://www.optimist.org/
- http://www.sciencedaily.com/releases/2003/09/030904080106.htm
- http://www.evancarmichael.com/Leadership/2040/Foster-Enhanced-Health-Through-Optimistic-Thinking.html
- http://numericlife.blogspot.com/2006/02/optimism-prolongs-life.html
- http://health.dailynewscentral.com/content/view/000102/51/
- http://www.washingtonpost.com/wp-dyn/content/article/2010/01/11/AR2010011103365.html
- http://health.msn.com/healthy-living/happiness/articlepage.aspx?cp-documentid=100205262&page=2
- http://health.msn.com/healthy-living/happiness/articlepage.aspx?cp-documentid=100205262&page=4
- http://www.spring.org.uk/2007/08/optimists-and-realists-seen-in-better.php
Синята Икономика
