INDARTO, Christina Helen; SUBEKTI, Adaninggar Septi. “I Believe I Can Speak”: English-Speaking Self-Efficacy and Its Sources among Indonesian High School Students. Voices of English Language Education Society, [S. l.], v. 10, n. 1, p. 103–117, 2026. DOI: 10.29408/veles.v10i1.31552. Disponível em: https://e-journal.hamzanwadi.ac.id/index.php/veles/article/view/31552. Acesso em: 22 jun. 2026.