Mohanad N. Abdul Sayed. “Robust Hotelling’s T2 Statistic for Test a Hypothesis about Mean Population Based on M-Estimator”. Mathematical Statistician and Engineering Applications 71, no. 4 (January 6, 2023): 8252–8260. Accessed December 7, 2025. https://philstat.org/index.php/MSEA/article/view/1453.