Kittisup, C., R. Phaicharoen, O. Pairoon, and P. Swatdiwong. “Development of Nursing System for Patients with Respiratory Deterioration during Emerging Coronavirus 2019 Epidemics”. Journal of The Royal Thai Army Nurses, vol. 23, no. 2, Oct. 2022, pp. 513-20, https://he01.tci-thaijo.org/index.php/JRTAN/article/view/257176.