Kaewprasert, Theerapong, Sa-Aat Niwitpong, and Suparat Niwitpong. “Confidence Intervals for the Ratio of the Coefficients of Variation of Inverse-Gamma Distributions”. Applied Science and Engineering Progress 16, no. 1 (November 2, 2022): 5660. Accessed May 8, 2024. https://ph02.tci-thaijo.org/index.php/ijast/article/view/247601.