Nazar Alobaidi, N., الاء, A. abd alsatar, ندى, Z. Tawfeq, and زینب. “Treatment of Time Series Instability - Review Article-”. IRAQI JOURNAL OF STATISTICAL SCIENCES, vol. 19, no. 1, June 2025, pp. 85-93, https://rjps.uomosul.edu.iq/index.php/stats/article/view/21002.