วงค์สารี ช., วิชาดี ภ., & ก๋าใจ เ. (2019). Nurses’ Roles in the Hardiness of the Elderly in the Social Welfare Development Center by Implication the Theory of Self-efficacy. Journal of health and health management, 5(1), 9–21. retrieved from https://he01.tci-thaijo.org/index.php/slc/article/view/221387