How do we build a training model? The case of the 3D spiral +. Raíces: Revista de Ciencias Sociales y Políticas, [S. l.], p. 76–89, 2019. DOI: 10.5377/raices.v3i5.8810. Disponível em: https://revistas.unan.edu.ni/index.php/Raices/article/view/1083. Acesso em: 8 aug. 2025.