The Accuracy Verification of Recent Global Geopotential Model based on GNSS/Levelling Data on Ground Control Points in JohorLee Z. Qi, Nornajihah Mohammad Yazid, Joshua Mickail Anak Sebastian, Ahmad Hakimi Mohd Zaki, Ami Hassan Md Din and Muhammad Faiz Pa’suyaE3S Web Conf., 589 (2024) 02008DOI: https://doi.org/10.1051/e3sconf/202458902008