Koomsuphan, W., B. Chitpakdee, and K. Abhicharttibutra. “Development of a Registered Nurse Competency Framework, Emergency Department, Buddhachinaraj Phitsanulok Hospital”. Nursing Journal CMU, vol. 49, no. 1, Mar. 2022, pp. 138-47, https://he02.tci-thaijo.org/index.php/cmunursing/article/view/255327.