APRISAL, A.; ABADI, A. M. Improving students’ mathematical reasoning and self-efficacy through Missouri mathematics project and problem-solving. Beta: Jurnal Tadris Matematika, [S. l.], v. 11, n. 2, p. 191–208, 2018. DOI: 10.20414/betajtm.v11i2.206. Disponível em: http://www.jurnalbeta.ac.id/index.php/betaJTM/article/view/206. Acesso em: 20 apr. 2026.