AVCI, B. Collaborative learning within critical mathematics education. Beta: Jurnal Tadris Matematika, [S. l.], v. 13, n. 1, p. 1–13, 2020. DOI: 10.20414/betajtm.v13i1.366. Disponível em: https://jurnalbeta.ac.id/index.php/betaJTM/article/view/366. Acesso em: 18 jan. 2022.