Omer, A. W. ., and T. H. . Ali. “Comparison of Wavelet Shrinkage and Hampel Filter in the Analysis of Multivariate Linear Regression Models”. IRAQI JOURNAL OF STATISTICAL SCIENCES, vol. 22, no. 2, Nov. 2025, pp. 1-16, doi:10.33899/iqjoss.v22i2.54068.