KURNIAWAN, Ferdinan Okki; ROSVITA, Margareta; YUNIASTARI, Rintya. An Acoustic Study on English Vowels Produced by Indonesian Speakers: Exploring Determining Factors and Contact Situations. k@ta: A Biannual Publication on the Study of Language and Literature, [S. l.], v. 26, n. 1, p. 49–61, 2024. DOI: 10.9744/kata.26.1.49-61. Disponível em: https://kata.petra.ac.id/index.php/ing/article/view/19662. Acesso em: 16 jun. 2025.