SHONGWE, B.; MUDALY, V. Introducing a measure of perceived self-efficacy for proof (PSEP): Evidence of validity. JRAMathEdu (Journal of Research and Advances in Mathematics Education), [S. l.], v. 6, n. 3, p. 260–276, 2021. DOI: 10.23917/jramathedu.v6i3.14138. Disponível em: https://journals2.ums.ac.id/jramathedu/article/view/9439. Acesso em: 17 nov. 2025.