Panomram, Waratchaya, Somchit Boonthiem, Supawan Khotama, and Watcharin Klongdee. “The proportional intermingling of two different exponential distribution terms”. Progress in Applied Science and Technology 6, no. 1 (June 29, 2016): 164–169. accessed August 26, 2026. https://ph02.tci-thaijo.org/index.php/past/article/view/243166.