Gasim Salim, A., عبد, Salim Youns Abdullah, A., & أنس. (2025). Studying the Stability of a Non-linear Autoregressive Model (Polynomial with Hyperbolic Cosine Function). AL-Rafidain Journal of Computer Sciences and Mathematics, 11(1), 81–91. Retrieved from https://rjps.uomosul.edu.iq/index.php/csmj/article/view/19393