Abed Al-Kareem, A., هیلم, H. Abd Al- majeed Hayawi, and زینة. “Identification State Space Models and Some Time Series Models”. IRAQI JOURNAL OF STATISTICAL SCIENCES, vol. 18, no. 1, June 2025, pp. 30-37, https://rjps.uomosul.edu.iq/index.php/stats/article/view/20663.