Yousif MO, Sharif SM. Twins Ionospheric Links in Sudan and South Sudan Based on University of Khartoum Ionospheric Shells (UKIS). uofkej [Internet]. 2022 Sep. 5 [cited 2025 Sep. 4];4(2). Available from: https://uofkej.uofk.edu/index.php/uofkej/article/view/240