Puttaruk, W. “The Effect of Readiness Pattern for Patients Undergone General Anesthesia On State Anxiety in Srisangwornsukhothai Hospital Sukhothai Province”. Nursing Journal CMU, vol. 48, no. 1, Mar. 2021, pp. 269-80, https://he02.tci-thaijo.org/index.php/cmunursing/article/view/248694.