MANTIRI, Ruben Leopoldo; RUDIANTO, Gaguk. An Analysis of Grammatical Cohesian on Barack Obama Speech: Discourse Analysis. Metafora: Jurnal Pembelajaran Bahasa Dan Sastra, [S. l.], v. 11, n. 2, p. 317–325, 2024. DOI: 10.30595/mtf.v11i2.22928. Disponível em: http://jurnalnasional.ump.ac.id/index.php/METAFORA/article/view/22928. Acesso em: 22 jun. 2025.