Vicent, María, et al. “Clarifying the Two Facets of Self-Oriented Perfectionism: Influences on Affect and the Big Five Traits of Personality in Children”. Anales De Psicología Annals of Psychology, vol. 35, no. 2, Apr. 2019, pp. 280-9, doi:10.6018/analesps.35.2.332891.