HARI, Radhwa Khalisya; NATSIR, Muhammad; SINAGA, Lidiman Sahat Martua. POLITENESS STRATEGIES IN RIA RICIS™ YOUTUBE ACCOUNT. TRANSFORM : Journal of English Language Teaching and Learning, North Sumatera, Indonesia, v. 9, n. 2, 2021. DOI: 10.24114/tj.v9i2.24449. Disponível em: https://jurnal.unimed.ac.id/2012/index.php/jelt/article/view/24449. Acesso em: 4 jul. 2025.