145
Saarni, C., The development of emotional competence. 1999: Guilford Press.
146
Rodriguez, T., Negative Emotions Are Key to Well-Being, Scientific American. 2013, Tori Rodriguez.
147
Adkins, A., U. S. Employee Engagement Steady in June. 2016, GALLUP.
148
André Spicer, C.C., The Research We’ve Ignored About Happiness at Work. 2015, Harvard Business Review.
149
Van Kleef, G.A., C. K. De Dreu, and A. S. Manstead, The interpersonal effects of anger and happiness in negotiations. Journal of personality and social psychology, 2004. 86 (1): p. 57–76.
