Puttaruk, Warangkana. 2021. “The Effect of Readiness Pattern for Patients Undergone General Anesthesia On State Anxiety in Srisangwornsukhothai Hospital Sukhothai Province”. Nursing Journal CMU 48 (1):269-80. https://he02.tci-thaijo.org/index.php/cmunursing/article/view/248694.