Einleitung: Language Variation: Research, Models and Perspectives. JournaLIPP, [S. l.], n. 7, p. II-VII, 2024. DOI: 10.5282/journalipp/4881. Disponível em: https://lipp-ojs3test.ub.uni-muenchen.de/lipp/article/view/4881.. Acesso em: 28 sep. 2024.