SIREGAR, Nelia Fariani. English Language Use, Anxiety, Self-Confidence, and First Language Use Among Indonesian High School Students: A Mixed-Methods Study. Research and Innovation in Language Learning, [S. l.], v. 9, n. 3, p. 285–296, 2026. Disponível em: https://jurnal.ugj.ac.id/index.php/RILL/article/view/12223. Acesso em: 15 oct. 2026.