[1]
H. A. D. . Witono, N. Nuriadi, and M. Mahyuni, “Exploring the Structure and Language Features of Successful Business Letters: A Case Study of a Tour Travel Agency”, JOLLS. Lang. Liter. Studies, vol. 5, no. 4, pp. 878–888, Dec. 2025, doi: 10.36312/vts8bw64.