PRAMESTI, G.; SALSABILA, N. S. Implementation of project-based learning and problem-based learning in mathematics course with students’ anxiety: Is it effective?. Beta: Jurnal Tadris Matematika, [S. l.], v. 18, n. 1, p. 87–101, 2025. DOI: 10.20414/betajtm.v18i1.692. Disponível em: http://jurnalbeta.ac.id/index.php/betaJTM/article/view/692. Acesso em: 17 apr. 2026.