Ahmed, Samara, and Hiyam Yousif Mahmoud. “A Pragmatic Study of Indirect Warning in Boris Johnson’s Speeches on COVID 19”. Journal of Tikrit University for Humanities 29, no. 9, 2 (September 30, 2022): 67–84. Accessed June 9, 2026. https://jtuh.org/index.php/jtuh/article/view/83.