YOSHIKAWA, Kazuki. REPORT DOCUMENTS OF VIETNAMESE DIPLOMATIC ENVOYS DISPATCHED TO THE QING DURING THE EIGHTEENTH AND NINETEENTH CENTURIES. Thang Long Journal of Science: Van hien and Heritage, [S. l.], v. 4, n. 10, p. 1–17, 2023. Disponível em: https://science.thanglong.edu.vn/index.php/volb/article/view/199. Acesso em: 23 oct. 2024.