OKTARIA, P. The Correlation Between Self-Confidence and English Speaking Achievement of the Secondary School Students. Jurnal Pendidikan Dasar dan Menengah, [S. l.], v. 1, n. 2, p. 54–67, 2023. DOI: 10.69743/edumedia.v1i2.18. Disponível em: http://edumedia.pkbdb.org/index.php/home/article/view/18. Acesso em: 16 sep. 2025.