Sam Jayakumar, David, Sulthan Ayyup Kan, and Samuel Wilfred. “On Using the Exact Sampling Distribution of Multivariate Coefficient of Variation”. Thailand Statistician 19, no. 3 (June 29, 2021): 511–521. accessed March 30, 2025. https://ph02.tci-thaijo.org/index.php/thaistat/article/view/244514.