LE, T. H. About some geographical names of Vietnam with elements relating Long and Giondg. Journal of Geodesy and Cartography, [S. l.], n. 4, p. 58–62, 2010. DOI: 10.54491/jgac.2010.4.414. Disponível em: https://jgac.vn/index.php/journal/article/view/414. Acesso em: 12 nov. 2026.