IMPACT OF PRODUCTIVE CAPACITIES ON SERVICE EXPORT SOPHISTICATION:  EVIDENCE FROM DEVELOPING COUNTRIES. TRA VINH UNIVERSITY JOURNAL OF SCIENCE, [S. l.], v. 15, n. 4, 2025. DOI: 10.35382/tvujs.15.4.2025.145. Disponível em: https://journal.tvu.edu.vn/index.php/journal/article/view/145. Acesso em: 7 feb. 2026.