A.T. Adediji, et al. “Radio Refractivity and Gradient Variations Across West Africa Climatic Zones: Implications for Microwave Systems”. International Journal of Natural Sciences: Current and Future Research Trends , vol. 24, no. 1, Mar. 2026, pp. 1-24, https://ijnscfrtjournal.isrra.org/Natural_Sciences_Journal/article/view/1356.