Bichi, Jamila Abdullahi, Bello Idrith Tijjani, and Usman Muhammad Gana. 2025. “Temporal Variability and Predictability of Radio Refractivity in Four Selected Locations of Locations in Nigeria”. Nigerian Journal of Applied Physics 2 (1): 18-24. https://doi.org/10.62292/njap-v2i1-2026-30.