McGonigal, K. (2015). The upside of stress: Why stress is good for you, and how to get good at it. New York, NY: Penguin.
454
Franco, Z. E., Blau, K., & Zimbardo, P. G. (2011). Heroism: A conceptual analysis and differentiation between heroic action and altruism. Review of General Psychology, 15 (2), 99.