“Using (ECM) Algorithm to Estimate the Missing Values and Make Comparison Between (MLE) and (GA) Algorithm for Estimating Parameters of Multivariate Skew Normal Distribution (MSN)”. Journal of Al-Rafidain University College For Sciences ( Print ISSN: 1681-6870 ,Online ISSN: 2790-2293 ), vol. 50, no. 3, Jan. 2022, pp. 15-28, https://doi.org/10.55562/jrucs.v50i3.498.