Joarder, Anwar H, and A Laradji. “An Integral Proof of the Joint M.G.F. Of Sample Mean and Variance”. International Journal of Statistical Sciences 24, no. 20 (December 23, 2024): 19–23. Accessed November 6, 2025. https://banglajol.info/index.php/ijss/article/view/78211.