NGUYEN, V.-T. .; NGUYEN, N.-G. . The Mathematical Beauty. International Journal of Learning, Teaching and Educational Research, [S. l.], v. 16, n. 5, p. 14–30, 2017. Disponível em: http://www.ijlter.myres.net/index.php/ijlter/article/view/815. Acesso em: 17 apr. 2026.