WANGNONGSIAO, P.; THIPCHART, Y. A study of Confidence and Mathematical Problem Solving for grade eight students. Journal for Developing the Social and Community , Bangkok, Thailand, v. 11, n. 2, p. 377–392, 2024. Disponível em: https://so03.tci-thaijo.org/index.php/rdirmu/article/view/278557. Acesso em: 27 aug. 2026.