TAULIA; GAPUR, A.; PUJIONO, M. Speech Acts in the Language Register of Tourism Services in the Lake Toba Area. International Journal of Culture and Art Studies, [S. l.], v. 8, n. 2, p. 137–150, 2024. DOI: 10.32734/ijcas.v8i2.22419. Disponível em: https://talenta.usu.ac.id/ijcas/article/view/22419. Acesso em: 20 aug. 2025.