COMPARISON OF TWO POLYNOMIAL GEOID MODELS OF GNSS/LEVELING GEOID DEVELOPMENT FOR ORTHOMETRIC HEIGHTS IN FCT, ABUJA. International Journal of Engineering Research and Advanced Technology (ijerat) (E-ISSN 2454-6135) , [S. l.], v. 4, n. 10, p. 01–09, 2018. DOI: 10.31695/IJERAT.2018.3330. Disponível em: https://ijerat.com/index.php/ijerat/article/view/389.. Acesso em: 26 dec. 2024.