NISSA, I. C.; SUKARMA, I. K.; SUTARTO, S. Problem-based learning with role-playing: An experiment on prospective mathematics teachers. Beta: Jurnal Tadris Matematika, [S. l.], v. 13, n. 1, p. 14–32, 2020. DOI: 10.20414/betajtm.v13i1.370. Disponível em: https://jurnalbeta.ac.id/index.php/betaJTM/article/view/370. Acesso em: 2 dec. 2021.