Okoro, O. N., G. A. Agbo, J. E. Ekpe, and T. N. Obiekezie. “Comparison of Hourly Variations of Radio Refractivity for Quiet and Disturbed Days During Dry and Rainy Seasons at Minna”. International Journal of Basic and Applied Sciences 2, no. 1 (December 7, 2012): 58–63. Accessed November 22, 2024. https://sciencepubco.com/index.php/ijbas/article/view/541.