Afniati W. Kohesi Gramatikal dan Leksikal dalam Wacana Surat Resmi di SMK SMAK Padang. TT [Internet]. 2023 Dec. 1 [cited 2026 May 28];7(2):227-36. Available from: https://www.online-journal.unja.ac.id/titian/article/view/28622