RICHARD LUO. When is ’or not’ required in an embedded polar question?. Proceedings of the Linguistic Society of America, [S. l.], v. 11, n. 1, p. 6095, 2026. DOI: 10.3765/plsa.v11i1.6095. Disponível em: https://journals.linguisticsociety.org/proceedings/index.php/PLSA/article/view/6095.. Acesso em: 21 jun. 2026.