TAULIA; GAPUR, A.; PUJIONO, M. Communicating Hospitality: A Speech Act Analysis of Tourism Services at Lake Toba. 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://idjpcr.usu.ac.id/ijcas/article/view/22419. Acesso em: 7 sep. 2025.