Niyomdecha, Ausaina, Patchanok Srisuradetchai, and Benjamas Tulyanitikul. “Gamma Zero-Truncated Poisson Distribution with the Minimum Compounded Function”. Thailand Statistician 21, no. 4 (September 27, 2023): 863–886. accessed October 4, 2026. https://ph02.tci-thaijo.org/index.php/thaistat/article/view/251065.