NGUYEN, T. T. H. lmprove the procces of leveling network adjustment of grade | and ll countries. Journal of Geodesy and Cartography, [S. l.], n. 11, p. 36–40, 2012. DOI: 10.54491/jgac.2012.11.480. Disponível em: https://jgac.vn/journal/article/view/480. Acesso em: 3 jul. 2024.