บุราณศรี นวลพรรณ, and จิตตะมัย พงษ์ชัย. “The Impact of Population Changes on Healthcare Demands Using Nonhomogeneous Markov Model”. Research on Modern science and Utilizing Technological Innovation Journal (RMUTI Journal) 12, no. 3 (May 28, 2019): 48–63. Accessed April 27, 2024. https://ph01.tci-thaijo.org/index.php/rmutijo/article/view/191424.