WITONO, Hudan Ahmad Dardiri; NURIADI, Nuriadi; MAHYUNI, Mahyuni. Exploring the Structure and Language Features of Successful Business Letters: A Case Study of a Tour Travel Agency. Journal of Language and Literature Studies, [S. l.], v. 5, n. 4, p. 878–888, 2025. DOI: 10.36312/vts8bw64. Disponível em: https://journal-center.litpam.com/index.php/jolls/article/view/3030. Acesso em: 29 jan. 2026.