Salah Al-talib, M., Abdal jawad saaed, H. and Taher Salah, W. 2019. Approximate estimator for parameters of non-normal VMA(1) model. IRAQI JOURNAL OF STATISTICAL SCIENCES. 16, 3 (Dec. 2019), 1–24. DOI:https://doi.org/10.33899/iqjoss.2019.0164147.