7. Albert Bandura, Regulation of Cognitive Processes through Perceived Self-Efficacy,
8. Robert A. Emmons, Michael E. McCollough, and Jo-Ann Tsang, The Assessment of Gratitude, in S. J. Lopez and C. R. Snyder (eds.),
9. Jui-Ti Nien et al., Mindfulness Training Enhances Endurance Performance and Executive Functions in Athletes: An Event-Related Potential Study,
10. Richard G. Tedeschi and Lawrence G. Calhoun, Posttraumatic Growth: Conceptual Foundations and Empirical Evidence,
11. Lucy Hone, 3 Secrets of Resilient People, TEDxChristchurch, August, 2019, https://www.ted.com/talks/lucy_hone_3_secrets_of _resilient_people?language=en.
12. Ami Rokach, Leadership and Loneliness,