PUTRI HANDAYANI; ZULFITRI. The Effect of Using Hello English Application System on the Students’ Speaking Skill . Journal of Language Education (JoLE), [S. l.], v. 1, n. 4, p. 153–162, 2023. DOI: 10.69820/jole.v1i4.133. Disponível em: https://merwinspy.org/journal/jole/article/view/133. Acesso em: 7 oct. 2026.