Godwin-Nwankwo O. L., Ono M. N., Eteje S. O. Determination of the Geoid Heights of Awka and Environ from the Satellite Altimetry data using Broadview RADAR Altimeter Toolbox (BRAT) and Sentinel-3 Missions. etj [Internet]. 2024 Jun. 5 [cited 2024 Jul. 22];9(6):4190-3. Available from: https://everant.org/index.php/etj/article/view/1367