Khiaocharoen, Orathai, Aphiranan Phongjetpuk, Tanwa Khattiyod, Chatchon Prasertworakul, Thayapa Srisirianun, Pongladda Lampu, Assatorn Sukrachat, Chairoj Zungsontiporn, and Supasit Pannarunothai. “Cost of Health Service Model for COVID-19 Inpatient Care in Thailand: A Case Study of 5 Hospitals”. Journal of Health Systems Research 17, no. 2 (June 29, 2023): 329–41. accessed September 12, 2025. https://he04.tci-thaijo.org/index.php/j_hsr/article/view/3178.