NGO, Thai Hung; DANG, Thanh Vinh; VU, Ngoc Dung; NGUYEN, Trinh Linh San. Analyzing the time-frequency impact of digital transformation on the improvement of service trade in Vietnam. Journal of Finance - Marketing Research, [S. l.], v. 15, n. 8, p. 69–85, 2024. DOI: 10.52932/jfm.v15i8.572. Disponível em: https://jfm.edu.vn/index.php/jfme/article/view/714. Acesso em: 15 dec. 2025.