AHMED, S.; MAHMOUD, H. Y. A Pragmatic Study of Indirect Warning in Boris Johnson’s Speeches on COVID 19. Journal of Tikrit University for Humanities, [S. l.], v. 29, n. 9, 2, p. 67–84, 2022. DOI: 10.25130/jtuh.29.9.2.2022.25. Disponível em: https://jtuh.org/index.php/jtuh/article/view/83. Acesso em: 9 jun. 2026.