Wulandari, D., S. Sutrisno, and M. B. Nirwana. “Mardia’s Skewness and Kurtosis for Assessing Normality Assumption in Multivariate Regression”. Enthusiastic : International Journal of Applied Statistics and Data Science, vol. 1, no. 1, Apr. 2021, pp. 1-6, doi:10.20885/enthusiastic.vol1.iss1.art1.