GUMARTIFA, Asti; SYAHRI, Indawan. How Undergraduate Students Capture English Impromptu Speech Challenge. Voices of English Language Education Society, [S. l.], v. 6, n. 2, p. 477–487, 2022. DOI: 10.29408/veles.v6i2.6601. Disponível em: https://e-journal.hamzanwadi.ac.id/index.php/veles/article/view/6601. Acesso em: 22 jul. 2024.