Nakain, Patcharin. “Outcome of Nursing Practice Guidelines for COVID –19 Patients at the Emergency Department, Sakon Nakhon Hospital”. Journal of Sakon Nakhon Hospital 25, no. 3 (June 25, 2024): 99–109. accessed April 5, 2025. https://he05.tci-thaijo.org/index.php/JSakonNakHosp/article/view/2761.