NYAUMWE, L. J. Using e-mail aesthetic messages in the mathematics classroom: Some insights for teacher education. South African Journal of Higher Education, [S. l.], v. 26, n. 6, 2016. DOI: 10.20853/26-6-227. Disponível em: https://www.journals.ac.za/sajhe/article/view/227. Acesso em: 7 oct. 2025.