Every language edition of Wikipedia has their own rules and processes. The Portuguese version appears to have a place to discuss the sources for specific articl

Every language edition of Wikipedia has their own rules and processes. The Portuguese version appears to have a place to discuss the sources for specific articles, but no blanket list of deprecated sources: https://pt.wikipedia.org/wiki/Wikip%C3%A9dia:Fontes_confi%C3%A1veis/Central_de_confiabilidade https://pt.wikipedia.org/wiki/Wikip%C3%A9dia:Fontes_confi%C3...