-, -, ظافر, and هيام. “Principle Components Approach Employment to Estimate the Delay Time in Dynamical Systems”. IRAQI JOURNAL OF STATISTICAL SCIENCES 7, no. 2 (June 25, 2025): 77–97. Accessed August 6, 2025. https://ojs.uomosul.edu.iq/index.php/stats/article/view/20568.