Rahmah, Cut Nadia Muji, Nurlela, Nidiya Mawarni, and Aisyah Inka Putri Lubis. “Attitude System in Donald Trump’s Speech on Harvard’s Foreign Students: An Appraisal Analysis”. LingPoet: Journal of Linguistics and Literary Research 7, no. 1 (January 31, 2026): 86–93. Accessed February 4, 2026. https://talenta.usu.ac.id/lingpoet/article/view/24506.