D. SALEEM, S. “The Distribution of the Outflow for Linear Reservoirs Using Fast Fourier Transformation Method”. IRAQI JOURNAL OF STATISTICAL SCIENCES 12, no. 2 (December 1, 2012): 1–14. Accessed September 6, 2025. https://tanmiyat.uomosul.edu.iq/index.php/stats/article/view/29428.