Assem, Zeina, and Heyam Abdel Majeed Hayawi. “Identification State Space Models and Some Time Series Models”. IRAQI JOURNAL OF STATISTICAL SCIENCES 18, no. 1 (June 1, 2021): 30–37. Accessed September 6, 2025. https://tanmiyat.uomosul.edu.iq/index.php/stats/article/view/29095.