khamwang, Aunchuleekorn, Malathum พรทิพย์, and Jianvitayakij สุนทรี. “Factors Predicting Professional Nurses’ Caring Behavior for Older Persons in a University Hospital”. Ramathibodi Nursing Journal 27, no. 1 (May 5, 2021): 108–121. Accessed August 10, 2022. https://he02.tci-thaijo.org/index.php/RNJ/article/view/242792.