สำราญ กัญรัสมิ์, and กุลเพชรจารุกร กาญจณ์ฉัตตร์. “Development of Radiography of Bed Terminally Ill Patients and Elderly Patients Using an Adjustable Sitting Set”. Journal of Health Science of Thailand 30, no. 4 (August 31, 2021): 717–723. Accessed July 22, 2024. https://thaidj.org/index.php/JHS/article/view/10619.