HUNG, Ngo Thai; VINH, Dong Thanh; DUNG, Vu Ngoc; SAN, Nguyen Trinh Linh. Analyzing the time-frequency impact of digital transformation on the improvement of service trade in Vietnam. Tạp chí Nghiên cứu Tài chính - Marketing, [S. l.], v. 15, n. 8, p. 69–85, 2024. DOI: 10.52932/jfm.v15i8.572. Disponível em: https://jfm.edu.vn/index.php/jfm/article/view/572. Acesso em: 21 tháng 11. 2025.