IGBOKWE, E. . Integrating Multi-Networks of GNSS and Precise Leveling for the Estimation of Orthometric Heights in the Owerri Region and Its Surroundings, Imo State, Nigeria. International Journal of Engineering and Computer Science, india, v. 12, n. 11, p. 25879–25883, 2023. DOI: 10.18535/ijecs/v12i11.4765. Disponível em: https://ijecs.in/index.php/ijecs/article/view/4765. Acesso em: 23 nov. 2024.