Thongpeth, Wichayaporn, Apiradee Lim, Sunee Kraonual, Akemat Wongpairin, and Thaworn Thongpeth. “Determinants of Hospital Costs for Management of Chronic-Disease Patients in Southern Thailand”. Journal of Health Science and Medical Research 39, no. 4 (June 1, 2021): 313–320. accessed April 27, 2025. https://he01.tci-thaijo.org/index.php/jhsmr/article/view/250160.