Meriyanti, Nurlela, and Muhammad Yusuf. “Mental Process Found in Donald Trumph’s Speech on Covid 19: Systemic Functional Linguistic Approach”. LingPoet: Journal of Linguistics and Literary Research 4, no. 1 (January 31, 2023): 68–80. Accessed November 15, 2026. https://staging-talenta.usu.ac.id/lingpoet/article/view/8932.