STEM activities in initial training of teachers: new teaching approaches for the challenges of the 21st century. Revista Electrónica Diálogos Educativos. REDE, [S. l.], v. 18, n. 33, p. 35–46, 2017. Disponível em: http://revistas.umce.cl/index.php/dialogoseducativos/article/view/1168. Acesso em: 4 jul. 2026.