Thaithanan, Jeeraporn, Sujit K. Ghosh, and Chinnaphong Bumrungsup. 2015. “A Model for Overdispersion and Underdispersion Using Latent Markov Processes”. Thailand Statistician 10 (2):183-97. https://ph02.tci-thaijo.org/index.php/thaistat/article/view/34226.