[1]
K. Nagarajoo, “Analysis of the Earth Movement over the Equatorial Region by using the Ionosonde Observation Data”, IJIE, vol. 1, no. 3, Dec. 2009, Accessed: Apr. 09, 2026. [Online]. Available: https://penerbit.uthm.edu.my/ojs/index.php/ijie/article/view/121