FARAH, A. Static-PPP Performance using Multi-GNSS (Single, Dual and Triple) Frequency Observations. Journal of Geomatics, [S. l.], v. 17, n. 1, p. 95–102, 2023. DOI: 10.58825/jog.2023.17.1.80. Disponível em: https://onlinejog.org/index.php/journal_of_geomatics/article/view/80. Acesso em: 15 oct. 2025.