ยงพัฒนจิตร ท., มั่นคง ส., and สุทธิ น., “Caregivers’ Stress and Coping with Stress from Caring for Terminally Ill Patients in a Palliative Care Unit”, J Thai Nurse midwife Counc, vol. 35, no. 2, pp. 116–131, May 2020.