Chaiwuttisak, Pornpimol, and Phooritat Mekwilaiphan. “Actors Associated with Deaths of Covid-19 Patients: Case study of Rayong Hospital”. Thammasat University Hospital Journal Online 10, no. 2 (July 18, 2025): 179–205. accessed September 28, 2026. https://he02.tci-thaijo.org/index.php/TUHJ/article/view/274332.