Accuracy Assessment of the Gravitational Geoid Model of Hilla Area, Iraq. International Journal of Current Engineering and Technology, [S. l.], v. 6, n. 4, p. 1326–1333, 2016. DOI: 10.14741/. Disponível em: https://ijcet.evegenis.org/index.php/ijcet/article/view/3036. Acesso em: 2 may. 2026.