O. E. Ehinlafa, Y. M. Liman, G. A. Àlàgbé, A. B. Abdulsalam, and M. J. Johnson, “Low Latitude Estimated Virtual Vertical Plasma Drifts Variation During Solar Minimum”, njtep, vol. 2, no. 2, pp. 49–55, Jun. 2024, doi: 10.62292/njtep.v2i2.2024.38.