Authentic Happiness - Kindle edition by Seligman, Martin. Politics & Social Sciences Kindle eBooks @ Amazon.com.
Adaptation of the Steen Happiness Index (SHI) to Brazil: A Comparison of the Psychometric Properties of the SHI and the Subjective Happiness Scale - Cristian Zanon, Rodrigo Rodrigues Fabretti, Jucimara Zacarias Martins,
Strengths and Happiness: Using Your Strengths to Become Happier
Frontiers | Authentic Happiness at Work: Self- and Peer-Rated Orientations to Happiness, Work Satisfaction, and Stress Coping