AGUSTINA, N.; HAYATI, L.; KURNIATI, N.; KURNIAWAN, E. Analysis of Mathematical Problem Solving Ability in View fromSelf-Efficacy Student Social Arithmetic Material. Sigma&Mu: Journal of Mathematics, Statistics and Data Science, [S. l.], v. 1, n. 2, p. 8–18, 2023. Disponível em: https://journals.balaipublikasi.id/index.php/sigmamu/article/view/143. Acesso em: 20 sep. 2024.