MERCIER, C. EDITORIAL. Universum (Talca. En línea), [S. l.], v. 36, n. 2, p. 325–328, 2021. DOI: 10.4067/s0718-23762021000200325 . Disponível em: https://universum.utalca.cl/index.php/universum/article/view/171. Acesso em: 11 ago. 2022.