Ali Almohseen, Kamel, and Reyan H. Al-Mustafa. “Non-Stationarity Identification in Flow Time Series Using Wavelets Transform Technique”. Al-Rafidain Engineering Journal (AREJ) 26, no. 2 (October 1, 2021): 267–279. Accessed September 13, 2025. https://ojs.uomosul.edu.iq/index.php/arej/article/view/30677.