S. . Rambat, N. . Mohamad Abdullah, N. . Yaacob, N. A. . Othman, and Z. . Abidin, “Comparison of Gravity Anomalies from Recent Global Geopotential Models with Terrestrial Gravity and Airborne Gravity over Johor Region”, ijie, vol. 13, no. 3, pp. 79–86, Jun. 2021, Accessed: May 05, 2024. [Online]. Available: https://penerbit.uthm.edu.my/ojs/index.php/ijie/article/view/8903