HOA, Ha Minh. Estimating the geopotential value W0 of the local geoid based on data from local and global normal heights of GPS/leveling points in Vietnam. Geodesy and Cartography, [S. l.], v. 39, n. 3, p. 99–105, 2013. DOI: 10.3846/20296991.2013.823705. Disponível em: https://journals.vilniustech.lt/index.php/GAC/article/view/4068. Acesso em: 1 jun. 2025.