In-tharawut, B. ., and Y. . Boonyanun. “Effects of Eldery and Caregivers Preparation Program on Prevention Pressure Sores Inpatient Department Denchai Crown Prince Hospital”. Journal of Phrae Public Health for Development - วารสารสาธารณสุขแพร่เพื่อการพัฒนา, vol. 3, no. 2, Jan. 2024, pp. 126-44, https://thaidj.org/index.php/jpphd/article/view/15023.