HA, M. H. Techno - scientific problems related to construction of state spatial reference system. Journal of Geodesy and Cartography, [S. l.], n. 18, p. 1–10, 2013. DOI: 10.54491/jgac.2013.18.86. Disponível em: https://jgac.vn/journal/article/view/86. Acesso em: 3 jul. 2024.