Difficulties in teaching senior high school General Mathematics: Basis for training design. Cypriot Journal of Educational Sciences, [S. l.], v. 15, n. 2, p. 319–335, 2020. DOI: 10.18844/cjes.v15i2.4589. Disponível em: https://un-pub.eu/ojs/index.php/cjes/article/view/4589. Acesso em: 12 may. 2024.