“Modeling Latent Variance in Production Line Performance Using High-Frequency Data an Application to the Iraqi State Company for Cement Industry and Its Effect on Industrial Output Stability ”, Al-Mansour J., vol. 44, no. 1, pp. 136–157, May 2026, Accessed: Jun. 24, 2026. [Online]. Available: https://journal.muc.edu.iq/journal/article/view/805