MUFLIHARSI, Risa; PRATIWI, Heppy Atma. POLITENESS PRINCIPLE: PRESIDENT JOKO WIDODO’S SPEECH ACT IN VIDEO BLOG. Bahtera: Jurnal Pendidikan Bahasa dan Sastra, [S. l.], v. 18, n. 1, p. 79–92, 2019. DOI: 10.21009/BAHTERA.181.07. Disponível em: https://journal.unj.ac.id/unj/index.php/bahtera/article/view/9685. Acesso em: 6 nov. 2024.