TAWALBEH, A. Theoretical approaches and frameworks to language maintenance and shift research: A critical review. Apples - Journal of Applied Language Studies, [S. l.], v. 13, n. 2, p. 23–44, 2019. DOI: 10.17011/apples/urn.201903051738. Disponível em: https://apples.journal.fi/article/view/97946. Acesso em: 22 oct. 2021.