Nwaogazie, I. L., and M. C. Ekwueme. “Rainfall Probability Density Function (PDF) and NonPDF - IDF Modelling for Uyo City, Nigeria”. Current Research in Science and Technology Vol. 4, June 2020, pp. 43-56, https://stm1.bookpi.org/index.php/crst-v4/article/view/1364.