The Effect of Self-Confidence Reinforcement on Changes in Students’ Cognitive Ability in Collaborative Learning. European Journal of Education and Pedagogy, [S. l.], v. 3, n. 6, p. 124–129, 2022. DOI: 10.24018/ejedu.2022.3.6.487. Disponível em: https://mail.ej-edu.org/index.php/ejedu/article/view/487. Acesso em: 25 sept. 2025.