Oladosu, O. R., A. A. Agoyi, A. O. Adewale, R. S. Fayose, and A. B. Rabiu. “Comparison of Transient Variation of Total Electron Content Within and Outside Equatorial Ionization Anomaly Region”. International Astronomy and Astrophysics Research Journal, Vol. 1, no. 1, Nov. 2019, pp. 1-11, https://journaliaarj.com/index.php/IAARJ/article/view/6.