Anaka, E. R., et al. “Modelling of the Rain Rate and Rain Attenuation for the Design of Line-of-Sight Link Budget over Warri, Delta State”. International Astronomy and Astrophysics Research Journal, vol. 3, no. 1, Dec. 2021, pp. 176-8, https://www.journaliaarj.com/index.php/IAARJ/article/view/51.