BARRUANSYAH, Rauf Tetuko. Applying Impromptu Speech Technique to Improve Students’ Speaking Ability at the Fourth Semester Students of STIBA Persada. J-SHMIC : Journal of English for Academic, [S. l.], v. 5, n. 2, p. 57–72, 2018. DOI: 10.25299/jshmic.2018.vol5(2).1716. Disponível em: https://journal.uir.ac.id/index.php/jshmic/article/view/1716. Acesso em: 3 may. 2024.