Ahmad, Abdull Zubi, Ahmad Faizal Mohd Zain, and Karthigesu Nagarajoo. 2022. “Ionospheric Drift Motions and Velocities at UTHM’s Parit Raja Station During Periods of Low Solar and Geomagnetic Activities”. International Journal of Integrated Engineering 2 (3). https://publisher.uthm.edu.my/ojs/index.php/ijie/article/view/226.