Onujagbe, IP, F Ahmed-Ade, M Mopah, and AJ David. “Surface Radio Refractivity of Akure and Ondo Town, Southwest Nigeria”. NIGERIAN ANNALS OF PURE AND APPLIED SCIENCES 4, no. 1 (August 20, 2021): 212–219. Accessed November 23, 2024. https://napas.org.ng/index.php/napas/article/view/173.