BR KARO, Seftyani Fransiska; TANGKAS, I Wayan Dirgayasa. LEVELS OF FORMALITY IN OBAMA™S INTERVIEW AND SBY™S INTERVIEW. TRANSFORM : Journal of English Language Teaching and Learning, North Sumatera, Indonesia, v. 1, n. 2, 2012. DOI: 10.24114/tj.v1i2.730. Disponível em: https://jurnal.unimed.ac.id/2012/index.php/jelt/article/view/730. Acesso em: 16 jul. 2025.