MERCIER, C. Editorial. Universum (Talca. En línea), [S. l.], v. 35, n. 1, p. 12–14, 2020. DOI: 10.4067/S0718-23762020000100012 . Disponível em: https://universum.utalca.cl/index.php/universum/article/view/1. Acesso em: 8 ago. 2022.