Groenewald, Emily, and Gary Van Vuuren. “Visualisation of Mahalanobis Distances for Trivariate JOINT Distributions”. International Journal of Economics and Financial Issues 14, no. 2 (March 18, 2024): 203–206. Accessed November 25, 2024. https://econjournals.com/index.php/ijefi/article/view/15663.