Songsermlosakul, S, S Supakul, and U Permsuwan. 2020. “Economic Burden on Public Health Expenditure of Patients With Pre-Dialysis Chronic Kidney Disease at a Community Hospital”. Journal of The Department of Medical Services 45 (1):71-77. https://he02.tci-thaijo.org/index.php/JDMS/article/view/244743.