1. Achor, S. (2018). Big potential. How transforming the pursuit of success raises our achievement, happiness, and well-being. Currency.
2. Auguste, B., & Chopra, K. (2018). Lifelong learning. International Educator, 27(3), 28–33.
3. Bandura, A. (1997). Self-efficacy: The exercise of control. W. H. Freeman.
4. Bergqvist, T., & Eriksson, B. (2015). Passion and exploitation among young adults with different labor market status in Europe. Nordic Journal of Working Life Studies, 5(2), 17–31.
5. Berscheid, E. (2006). Ihmisen suurin vahvuus: Toiset ihmiset [A human being’s greatest strength: Other people]. In L.G. aspinwall, & U.M. Staudinger (Eds.) Ihmisen vahvuuksien psykologia [A Psychology of Human Strength] (pp. 47–56). Edita.