ธงชัย ฉวีวรรณ. “Applying the synergy model for caring the critically ill patients”. Thai Journal of Nursing and Midwifery Practice 2, no. 1 (June 26, 2015): 5–18. accessed September 18, 2026. https://he02.tci-thaijo.org/index.php/apnj/article/view/120469.