“Applying Some Hybrid Models for Modeling Bivariate Time Series Assuming Different Distributions for Random Error With a Practical Application”. Journal of Economics and Administrative Sciences 26, no. 117 (February 1, 2020): 442–479. Accessed May 4, 2024. https://jeasiq.uobaghdad.edu.iq/index.php/JEASIQ/article/view/1824.