The effect of self-concept in the sense of accomplishment before performing a task in a kindergarten classroom. Pulso. Revista de educación, [S. l.], n. 38, p. 129–159, 2015. DOI: 10.58265/pulso.5077. Disponível em: https://revistas.cardenalcisneros.es/pulso/article/view/5077. Acesso em: 21 may. 2026.