Meriyanti, Nurlela and Yusuf, M. 2023. Mental Process Found in Donald Trumph’s Speech on Covid 19: Systemic Functional Linguistic Approach. LingPoet: Journal of Linguistics and Literary Research. 4, 1 (Jan. 2023), 68-80. DOI:https://doi.org/10.32734/lingpoet.v4i1.8932.