ALLO, Markus Deli Girik; PRIAWAN, Arnovan. Students’ Self-Confidence in Speaking Skill. Jurnal Studi Guru dan Pembelajaran, [S. l.], v. 2, n. 1, p. 11–14, 2019. DOI: 10.30605/jsgp.2.1.2019.1263. Disponível em: https://www.e-journal.my.id/jsgp/article/view/23. Acesso em: 7 jul. 2025.