TELAUMBANUA, . M. S. Y. .; PASARIBU, T. K.; SIHITE, . J. E. . The differences between American and British diphthong: A case study of Joe Biden and Boris Johnson. Jurnal Pendidikan dan Konseling (JPDK), [S. l.], v. 4, n. 5, p. 5711–5715, 2022. DOI: 10.31004/jpdk.v4i5.7579. Disponível em: http://journal.universitaspahlawan.ac.id/index.php/jpdk/article/view/7579. Acesso em: 2 dec. 2024.