Socio-cultural power of the Guarani language. Historical aspect. Journal on studies and research of academic knowledge, Itapúa, PY, n. 17, p. e2023011, 2022. DOI: 10.70833/rseisa17item337. Disponível em: https://revistas.uni.edu.py/index.php/rseisa/article/view/337. Acesso em: 21 oct. 2025.