SELF CONFIDENCE AND ITS INFLUENCE ON ENGLISH ORAL PRESENTATION SKILLS AMONG FOURTH SEMESTER STUDENTS OF THE ENGLISH LANGUAGE EDUCATION DEPARTMENT AT UNIVERSITAS ISLAM RIAU. Sindoro: Cendikia Pendidikan, [S. l.], v. 18, n. 7, 2026. DOI: https://doi.org/10.2238/58vp2p45. Disponível em: https://journal.cib.institute/index.php/sindoro/article/view/318. Acesso em: 21 oct. 2026.