MARPAUNG, T. A.; SABARUDIN, S.; MULYADI, M. Pronunciation Errors of Fricative Sounds Made by English Students. Journal of English Education and Teaching, [S. l.], v. 5, n. 3, p. 368–380, 2021. DOI: 10.33369/jeet.5.3.368-380. Disponível em: https://ejournal.unib.ac.id/JEET/article/view/14758. Acesso em: 4 may. 2024.