The Behavior of Power Spectral Density Function for Gaussian Seasonal Autoregressive Model From Second Order – Simulation Study-. Al-Mansour Journal, [S. l.], v. 8, n. 1, p. 50–64, 2023. Disponível em: https://journal.muc.edu.iq/journal/article/view/356. Acesso em: 6 sep. 2025.