Brunelli, Anna Flora, and Sandra Denise Gasparini Bastos. “The Behavior of the Modal Verb Poder in Self-Help Discourse: A Research in Portuguese and Spanish”. Estudos Linguísticos (São Paulo. 1978) 40, no. 1 (April 4, 2016): 60–70. Accessed July 22, 2024. https://revistas.gel.org.br/estudos-linguisticos/article/view/1376.