VAN KEMPEN, Jacqueline. Locality and the order of acquisition steps. Proceedings of the Amsterdam Colloquium, Amsterdam, p. 17–22, 2005. DOI: 10.53437/sfzjkb80. Disponível em: https://platform.openjournals.nl/PAC/article/view/22959. Acesso em: 9 sep. 2026.