MORALES, M. P. E. Preliminaries. AsTEN Journal of Teacher Education, [S. l.], 2018. DOI: 10.56278/asten.v0i0.847. Disponível em: http://po.pnuresearchportal.org/ejournal/index.php/asten/article/view/847. Acesso em: 3 apr. 2025.