VILLANUEVA, Ernesto. Polarization, effects, and challenges in the information age. Initial notes for public discussion. In: Libertad de expresión. La visión jurídica. Legal Sciences[s.l.] : Editorial UP,2025. p. 89–104. DOI: 10.21555/lib-expresion.2025.05. Disponível em: https://fondoeditorial.up.edu.mx/index.php/eup/catalog/book/3/chapter/21. Acesso em: 28 may. 2026.